{"title":"Gustard","description":"\u003cp class=\"p1\"\u003e Gustard \u003cspan class=\"s1\"\u003eis a leading manufacturer of\u003c\/span\u003e high-end DACs, headphone amplifiers, preamps and audio interfaces \u003cspan class=\"s1\"\u003edesigned for\u003c\/span\u003e audiophiles and professional audio enthusiasts \u003cspan class=\"s1\"\u003e. Known for their\u003c\/span\u003e cutting-edge digital audio technology \u003cspan class=\"s1\"\u003e, Gustard combines advanced\u003c\/span\u003e R-2R ladder DACs, Delta-Sigma architectures, ultra-low noise power supplies \u003cspan class=\"s1\"\u003eand\u003c\/span\u003e true balanced circuits \u003cspan class=\"s1\"\u003eto deliver audio reproduction with exceptional\u003c\/span\u003e clarity, precision and musicality \u003cspan class=\"s1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWith an\u003c\/span\u003e engineering-driven approach to sound enhancement \u003cspan class=\"s1\"\u003e, Gustard continues to push the boundaries of\u003c\/span\u003e high-fidelity sound \u003cspan class=\"s1\"\u003e, offering products that\u003c\/span\u003e elevate every listening experience to a new level \u003cspan class=\"s1\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"gustard-x30","title":"Gustard X30","description":"\u003cp\u003e \u003cstrong\u003eApproximately 2 weeks delivery time from order.\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003eWith its X30, Gustard presents a DAC with exceptional performance and versatility. This DAC is equipped with four ES9039SPRO DAC chips combined with an ES9311Q linear regulator and a second-generation XU216 USB XMOS interface. This enables it to support high-resolution sampling rates up to PCM 32bit 768kHz, DSD512 and MQA. It also has a preamplifier stage with R2R volume control and an Ethernet LAN port via an RJ45 connector, which allows it to function as a network player. There is also an FPGA with OCXO crystal oscillators and a connector for an external 10MHz clock. The many digital and optical inputs include USB, Toslink optical, SPDIF coaxial, I2S via HDMI and a micro SD slot. Two 3.5mm jack triggers complete the package, and the outputs are via stereo RCA or balanced stereo XLR. The design and ergonomics feature an attractive front display and elegant curves, as well as a remote control for easy operation from a distance, making the X30 an excellent choice as an audio gateway and a central element of your Hi-Fi system.\u003c\/p\u003e\n\n \u003cp\u003e\u003cstrong\u003eGUSTARD X30: XMOS XU216 USB interface and 4x DAC ES9039SPRO + ES9311Q\u003c\/strong\u003e\u003cbr\u003e Gustard X30 benefits from four ES9039SPRO DAC chips combined with an ES9311Q linear regulator and an XU216 USB XMOS interface. This chipset enables it to support high-resolution streams up to PCM 32bit 768kHz, DSD512 and MQA. The ES9311Q ultra-low noise linear regulator optimizes the four DAC chips, achieving a dynamic range of over 130dB and a signal-to-noise ratio of over 129dB. An analog class A low-pass filter circuit based on discrete components provides flexibility in adjusting each parameter of the DAC chips, maximizing their performance.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: digital filter\u003c\/strong\u003e\u003cbr\u003e An autonomous DSP SHARC digital filter reduces noise using a 64-bit floating point algorithm and noise shaping techniques. The X30 also features four DSD filters, three PCM filters, and support for NOS mode.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: passive analog preamplifier\u003c\/strong\u003e \u003cbr\u003eThe preamplifier stage features R2R volume control for adjustment without loss of signal quality, as well as the option of direct connection to a power amplifier or active speakers. A fixed output level is also available if you wish to connect the X30 to an external preamplifier.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: network player function\u003c\/strong\u003e\u003cbr\u003e An Ethernet LAN RJ45 port allows the X30 to connect to the network and supports Roon, Airplay, DLNA, UPnP or NAA (Network Audio Adapter). Streaming platforms are thus available, in particular via an interface developed with Celaudio. This interface is specifically designed to optimize audio reproduction with devices that combine hardware and software.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: a high-end clock system\u003c\/strong\u003e \u003cbr\u003eThe X30's clock system is equipped with thermostatically controlled OCXO crystal oscillators and a K2 synthesizer. This technology allows the DAC to use either its internal OCXO clock or an external 10MHz clock. The device is accompanied by an FGPA chip for excellent stability.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: balanced power supply\u003c\/strong\u003e\u003cbr\u003e The X30 benefits from two toroidal transformers that power the analog and digital parts of the device independently to avoid interference. In addition, the power supply for the two DAC channels is separate, with independent voltage stabilizers.\u003c\/p\u003e\n\n\u003cp\u003e Gustard X30 review by British Audiophile: \u003c\/p\u003e\n\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/d0WvnOtkzcc?si=-Te6IEVmjLnKRUaF\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":50701321634119,"sku":"GustardX30","price":22999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":50701321666887,"sku":"GustardX31","price":22999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/aHR0cHM6Ly93d3cuZ3VzdGFyZC5jb20vcWZ5LWNvbnRlbnQvdXBsb2Fkcy8yMDI0LzA1L2Q3NGU3NTg1ODRkYzg2ZmM1ZDYwYmI3OGIxZDJkZTNjLTgwLndlYnA_p_p100_p_3D.webp?v=1733824336"},{"product_id":"gustard-x30-black-demo","title":"Gustard X30 (Black, Demo)","description":"\u003cp\u003eWith its X30, Gustard presents a DAC with exceptional performance and versatility. This DAC is equipped with four ES9039SPRO DAC chips combined with an ES9311Q linear regulator and a second-generation XU216 USB XMOS interface. This enables it to support high-resolution sampling rates up to PCM 32bit 768kHz, DSD512 and MQA. It also has a preamplifier stage with R2R volume control and an Ethernet LAN port via an RJ45 connector, which allows it to function as a network player. There is also an FPGA with OCXO crystal oscillators and a connector for an external 10MHz clock. The many digital and optical inputs include USB, Toslink optical, SPDIF coaxial, I2S via HDMI and a micro SD slot. Two 3.5mm jack triggers complete the package, and the outputs are via stereo RCA or balanced stereo XLR. The design and ergonomics feature an attractive front display and elegant curves, as well as a remote control for easy operation from a distance, making the X30 an excellent choice as an audio gateway and a central element of your Hi-Fi system.\u003c\/p\u003e\n\n \u003cp\u003e\u003cstrong\u003eGUSTARD X30: XMOS XU216 USB interface and 4x DAC ES9039SPRO + ES9311Q\u003c\/strong\u003e\u003cbr\u003e Gustard X30 benefits from four ES9039SPRO DAC chips combined with an ES9311Q linear regulator and an XU216 USB XMOS interface. This chipset enables it to support high-resolution streams up to PCM 32bit 768kHz, DSD512 and MQA. The ES9311Q ultra-low noise linear regulator optimizes the four DAC chips, achieving a dynamic range of over 130dB and a signal-to-noise ratio of over 129dB. An analog class A low-pass filter circuit based on discrete components provides flexibility in adjusting each parameter of the DAC chips, maximizing their performance.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: digital filter\u003c\/strong\u003e\u003cbr\u003e An autonomous DSP SHARC digital filter reduces noise using a 64-bit floating point algorithm and noise shaping techniques. The X30 also features four DSD filters, three PCM filters, and support for NOS mode.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: passive analog preamplifier\u003c\/strong\u003e \u003cbr\u003eThe preamplifier stage features R2R volume control for adjustment without loss of signal quality, as well as the option of direct connection to a power amplifier or active speakers. A fixed output level is also available if you wish to connect the X30 to an external preamplifier.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: network player function\u003c\/strong\u003e\u003cbr\u003e An Ethernet LAN RJ45 port allows the X30 to connect to the network and supports Roon, Airplay, DLNA, UPnP or NAA (Network Audio Adapter). Streaming platforms are thus available, in particular via an interface developed with Celaudio. This interface is specifically designed to optimize audio reproduction with devices that combine hardware and software.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: a high-end clock system\u003c\/strong\u003e \u003cbr\u003eThe X30's clock system is equipped with thermostatically controlled OCXO crystal oscillators and a K2 synthesizer. This technology allows the DAC to use either its internal OCXO clock or an external 10MHz clock. The device is accompanied by an FGPA chip for excellent stability.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGUSTARD X30: balanced power supply\u003c\/strong\u003e\u003cbr\u003e The X30 benefits from two toroidal transformers that power the analog and digital parts of the device independently to avoid interference. In addition, the power supply for the two DAC channels is separate, with independent voltage stabilizers.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e Gustard X30 review by British Audiophile: \u003c\/p\u003e\n\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/d0WvnOtkzcc?si=-Te6IEVmjLnKRUaF\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":50714866516295,"sku":"GustardX30","price":17400.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/51CTcDbgM1L._AC_UF350_350_QL80.jpg?v=1733824336"},{"product_id":"gustard-x26-iii-dac","title":"Gustard X26 III DAC","description":"\u003cp\u003eThe Gustard X26 III combines a DAC with two ES9039SPRO chips and network playback. The LAN connection supports Roon, AirPlay, UPnP, NAA, and Spotify, allowing the device to be integrated into various streaming systems.\u003c\/p\u003e\u003cp\u003eOn the analog side, you get both RCA and balanced XLR outputs. A 10 MHz BNC clock input allows you to connect a compatible external clock. The network connection supports 100\/1000 Mbps.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eDual ES9039SPRO DAC chips\u003c\/li\u003e\n\n\u003cli\u003eLAN: Roon, AirPlay, UPnP, NAA, and Spotify\u003c\/li\u003e\n\n\u003cli\u003e10 MHz BNC clock input: 50 Ω\u003c\/li\u003e\n\n\u003cli\u003eRCA output level: 2.5 Vrms\u003c\/li\u003e\n\n\u003cli\u003eXLR output level: 5.1 Vrms\u003c\/li\u003e\n\n\u003cli\u003eDynamic range: over 128 dB\u003c\/li\u003e\n\n\u003cli\u003eSignal-to-noise ratio: over 127 dB\u003c\/li\u003e\n\n\u003cli\u003eTHD+N: maximum 0.0001% at 1 kHz\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 330 × 260 × 65 mm, excluding protrusions\u003c\/li\u003e\n\n\u003cli\u003eRemote control and power cable included\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":50767983509831,"sku":"X26III-Black","price":11999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":50767983542599,"sku":"X26III-Silver","price":11999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/1-3_60d592a5-e4b2-469f-80ce-694faed61c79.jpg?v=1734809692"},{"product_id":"gustard-c18-ocxo-clock","title":"GUSTARD C18 OCXO Clock","description":"\u003cp\u003eThe Gustard C18 is an external 10 MHz clock generator for compatible digital audio equipment. It uses an SC-cut OCXO with a temperature-stabilized oscillator, which limits frequency changes caused by temperature fluctuations.\u003c\/p\u003e\u003cp\u003eThe design focuses on low phase noise and a stable clock signal. The C18 can be used as a common clock reference in a HiFi system with equipment that supports an external 10 MHz clock.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eClock frequency: 10 MHz\u003c\/li\u003e\n\n\u003cli\u003eOscillator: SC-cut OCXO\u003c\/li\u003e\n\n\u003cli\u003eTemperature-stabilized crystal oscillator\u003c\/li\u003e\n\n\u003cli\u003ePhase noise at 1 Hz, typical: −110 dBc\u003c\/li\u003e\n\n\u003cli\u003eAvailable in black and silver\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":50871103619399,"sku":"C18","price":11999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":50871103652167,"sku":"C19","price":11999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/5044a3fe94b32496fda9de71545cf392.webp?v=1736708680"},{"product_id":"gustard-dac-r26-r2r-ladder-dac","title":"Gustard DAC-R26 II R2R ladder DAC","description":"\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eGustard R26 II\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDiscrete R-2R Network Streaming DAC\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eGustard R26 II\u003c\/b\u003e\u003c\/span\u003e is a fully discrete R-2R DAC with integrated network streaming, designed with a focus on signal purity, precision, and analog sound quality. The entire design is built around proprietary modules, a separate power supply, and advanced clock management to ensure stable and consistent high-level performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFully Discrete 26-bit R-2R Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe R26 II uses Gustard's proprietary \u003cspan class=\"s2\"\u003e\u003cb\u003efully discrete R-2R resistor ladder DAC architecture\u003c\/b\u003e\u003c\/span\u003e in a new \u003cspan class=\"s2\"\u003e\u003cb\u003e26-bit implementation\u003c\/b\u003e\u003c\/span\u003e. Unlike Delta-Sigma-based solutions, the conversion here is performed directly from a digital signal to an analog voltage without noise shaping or high-frequency modulation. The result is a more organic, fluid, and analog sound character.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe discrete design places extremely high demands on component matching and PCB layout, and the R26 II is constructed with precision-selected components and very tight tolerances to achieve stability and uniform performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eNative 1-Bit DSD – Direct DSD Mode\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe DAC core supports \u003cspan class=\"s2\"\u003e\u003cb\u003etrue native 1-bit DSD\u003c\/b\u003e\u003c\/span\u003e, all the way up to \u003cspan class=\"s2\"\u003e\u003cb\u003eDSD2048 via I²S\u003c\/b\u003e\u003c\/span\u003e. In \u003cspan class=\"s2\"\u003e\u003cb\u003eDirect DSD Mode\u003c\/b\u003e\u003c\/span\u003e, the DSD bitstream is fed directly to the 1-bit switch array without internal PCM conversion or DSP manipulation.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis hardware-based decoding preserves dynamics, transient response, and the original Pulse Density Modulation (PDM) without compromise.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFPGA-Based Digital Processing\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe R26 II is equipped with an \u003cspan class=\"s2\"\u003e\u003cb\u003eFPGA platform\u003c\/b\u003e\u003c\/span\u003e that handles:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eClock management\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003e2nd-order PLL digital shaping\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eDoP demodulation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM \/ DSD path switching\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThis flexible and proprietary digital processing forms the basis for high signal integrity and precise timing across all input types.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGCLK-02 Clock Module \u0026amp; External 10 MHz Input\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe internal \u003cspan class=\"s2\"\u003e\u003cb\u003eGCLK-02 clock module\u003c\/b\u003e\u003c\/span\u003e uses advanced PLL technology with a locking accuracy of \u003cspan class=\"s2\"\u003e\u003cb\u003e±1 Hz\u003c\/b\u003e\u003c\/span\u003e, ensuring extreme frequency and phase precision.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIn addition, the R26 II supports \u003cspan class=\"s2\"\u003e\u003cb\u003eexternal 10 MHz clock reference input (BNC)\u003c\/b\u003e\u003c\/span\u003e, so an external high-precision master clock can be used for further improved timing and sound quality.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDiscrete Class-A LPF Output Stage\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe analog output is built with a \u003cspan class=\"s2\"\u003e\u003cb\u003efully discrete Class-A Low Pass Filter (LPF)\u003c\/b\u003e\u003c\/span\u003e, specifically tuned for the R-2R architecture.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eInstead of integrated op-amps, discrete components are used, providing full control over bias, compensation, and harmonic structure. The result is improved transient response, more nuanced tone, and high thermal stability.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDual Independent Power Supplies\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe digital and analog sections are completely separated and powered by \u003cspan class=\"s2\"\u003e\u003cb\u003etwo dedicated toroidal transformers\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis physical and electrical separation reduces crosstalk and interference – including RF noise – and ensures a stable and low-noise operating environment for both digital and analog signal processing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eNetwork Streaming \u0026amp; Connectivity\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe R26 II functions as a \u003cspan class=\"s2\"\u003e\u003cb\u003enetwork streaming DAC\u003c\/b\u003e\u003c\/span\u003e and supports:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eRoon Bridge\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eAirPlay\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eUPnP\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eSpotify Connect (via network bridge)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNAA\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eIn addition, \u003cspan class=\"s2\"\u003e\u003cb\u003eBluetooth 5.1\u003c\/b\u003e\u003c\/span\u003e is offered, as well as USB, AES\/EBU, Coaxial, Optical, and \u003cspan class=\"s2\"\u003e\u003cb\u003eI²S (configurable pinout)\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHigh-Resolution Support\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM up to \u003cspan class=\"s1\"\u003e\u003cb\u003e768 kHz\u003c\/b\u003e\u003c\/span\u003e (USB)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM up to \u003cspan class=\"s1\"\u003e\u003cb\u003e1536 kHz\u003c\/b\u003e\u003c\/span\u003e (I²S)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNative DSD up to \u003cspan class=\"s1\"\u003e\u003cb\u003eDSD512\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNative DSD up to \u003cspan class=\"s1\"\u003e\u003cb\u003eDSD2048 (I²S)\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDesign \u0026amp; Usability\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe enclosure is made of solid aluminum with a focus on mechanical stability and effective shielding. The display offers \u003cspan class=\"s2\"\u003e\u003cb\u003ethree screensaver modes\u003c\/b\u003e\u003c\/span\u003e with adjustable brightness, and the unit supports \u003cspan class=\"s2\"\u003e\u003cb\u003eremote control\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eBalanced XLR and single-ended RCA outputs are available.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":51502999798087,"sku":"GustardR26","price":11999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":51502999830855,"sku":"GustardR27","price":11999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/R26IIfront.jpg?v=1772530080"},{"product_id":"gustard-h26","title":"Gustard H26 headphone amp \/ pre","description":"\u003cp class=\"p1\"\u003e With its H26, Gustard presents a class-A balanced high-end preamplifier\/headphone amplifier using discrete components. It is equipped with 8 pairs of power transistors, two dual LME49720 OPAs, two toroidal transformers, a relay-controlled volume control matrix, and a balanced architecture. Aesthetically, the unit features beautiful curves and solid materials.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eGustard H26: OPA LM49720\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The Gustard H26 is equipped with two LM49720 ultra-low distortion and ultra-low noise OPAs for its preamp section. These OPAs are specifically designed for audiophile and professional applications. The preamp outputs can be switched off, allowing you to quickly switch between using the H26 as a headphone amplifier or as a speaker preamp.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eGustard H26: power supply with two 50W toroidal transformers\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe Gustard H26 uses no fewer than two 50W toroidal transformers – one dedicated to each channel. These provide a clean and stable power supply for the H26, supported by multiple low-noise voltage regulators and Nikon Nichicon capacitors. Note that the power supply for the headphone amplifier section can be switched off, allowing the H26 to function as a pure preamplifier.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eGustard H26: a powerful headphone amplifier\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e With its 3 headphone outputs, the Gustard H26 allows you to enjoy most headphones on the market. Its powerful output makes it compatible with even the most demanding headphones with impedances up to 600 ohms.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":51503005860167,"sku":"H26Black","price":8099.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":51503005892935,"sku":"","price":8099.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/gustard-h26-fully-balanced-class-a-headphone-amplifier-42149-p.webp?v=1745752503"},{"product_id":"gustard-n18-pro","title":"Gustard N18 Pro","description":"\u003cp class=\"p1\"\u003eThe Gustard N18 PRO network switch is equipped with 5 RJ45 Ethernet ports as well as an SFP fiber optic connection and a BNC connector for an external 10MHz clock. The RJ45 Ethernet ports are based on the 10\/100\/1000Base-T and 1000base-X standards, while the SFP port supports GPON\/EPON protocols. With this network switch from Gustard, you can enjoy the flexibility of RJ45 connections, but also the stability and transmission speed of a fiber optic signal. The latter can be used to connect over longer distances.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e \u003cb\u003eGustard N18 PRO: a stable power supply\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The N18 PRO's power supply section uses a toroidal transformer and a voltage regulator, ensuring a clean and stable power supply.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":51503029584199,"sku":"GustardN18Pro-1","price":3999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":51503029616967,"sku":"GustardN18Pro-2","price":3999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/51bWYgplLBL.jpg?v=1745753723"},{"product_id":"gustard-n18","title":"Gustard N18","description":"\u003cp class=\"p1\"\u003e \u003cb\u003eGustard N18 Network Switch\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e Gustard N18 is a compact and high-performance network switch, designed for audiophiles and enthusiasts who require optimal data flow for their audio systems.\u003c\/p\u003e\n\n \u003cp class=\"p2\"\u003eThe switch is equipped with 2 RJ45 Ethernet ports based on 10\/100\/1000Base-T and 1000base-X standards as well as an SFP fiber optic port that supports GPON\/EPON protocols.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e With the N18, you get both the flexibility of traditional RJ45 connections and the benefits of fiber optic transmission – ensuring extreme stability, high speed and the ability to run long cable runs without loss of signal integrity. Perfect for those looking to take their streaming experience to the next level.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":51503086567751,"sku":"N18","price":2699.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":51503086600519,"sku":"N19","price":2699.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/DESC1.jpg?v=1745756607"},{"product_id":"gustard-audalytic-ah90","title":"Gustard\/Audalytic AH90","description":"\u003cp class=\"p1\"\u003e \u003cb\u003eAudalytic AH90 – DAC, streamer and headphone amplifier\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e The Audalytic AH90 is a DAC that delivers excellent decoding performance and accurate sound reproduction, thanks to a well-thought-out and intelligent design. At the same time, it is affordable for the high quality it offers. The AH90 uses top-of-the-line components such as the AKM AK4499EX DAC chip and the XMOS XU316 USB interface, and offers extensive connectivity options - including balanced and single-ended headphone outputs.\u003c\/p\u003e\n\n \u003cp class=\"p2\"\u003eIn addition, it also functions as a streamer via its RJ45 Ethernet port.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eAK4499EX DAC\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e The Audalytic AH90 is built around an AK4499EX digital-to-analog converter chip combined with an AK4191 digital modulation chip. This setup effectively reduces interference between the digital and analog circuits, ensuring crystal-clear and precise sound reproduction.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eFPGAs\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e With an integrated and custom-programmed FPGA, the AH90 handles clock signal processing at a high level. The result is significantly lower jitter and thus a more accurate and natural sound.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eStreamer\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e Thanks to the Ethernet streaming function, the AH90 can play music directly from the network. It supports DLNA, AirPlay and Roon, so you can easily access your music from computers, NAS or smartphone.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eXMOS XU316 USB interface\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e The AH90's USB-C input uses a 3rd generation XMOS XU316 interface, which ensures efficient and accurate decoding of high-resolution audio files - up to PCM 32bit 768kHz, DSD512 and MQA.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003e\u003cb\u003eCK-01 Clock\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e The built-in CK-01 clock oscillator delivers an extremely precise clock signal to the FPGA, further reducing jitter and improving signal stability.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eHeadphone outputs\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e The AH90 has an integrated headphone amplifier with both a balanced 4.4mm Jack and a single-ended 6.35mm Jack output. Two selectable gain levels make it possible to adapt to almost all types of headphones on the market.\u003c\/p\u003e\n\n\u003cp class=\"p3\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e \u003cb\u003eMQA\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e Audalytic AH90 supports full decoding of MQA (Master Quality Authenticated) files, ensuring audio reproduction as close to the original studio recording as possible – validated directly by the artist, record label or rights holders.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Silver","offer_id":51503188148551,"sku":"","price":4499.0,"currency_code":"DKK","in_stock":true},{"title":"Black","offer_id":51503188181319,"sku":"","price":4499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/94c2558a604b8dbcbafdfbe57abae0e6.webp?v=1745758386"},{"product_id":"gustard-dac-r30-r2r-ladder-dac","title":"Gustard DAC-R30 R2R Ladder DAC","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe Gustard R30\u003c\/span\u003e is a DAC, streamer and preamplifier based on an \u003cspan class=\"s1\"\u003eR2R ladder resistor network\u003c\/span\u003e to offer high-precision digital-to-analog conversion. It supports \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e up to \u003cspan class=\"s1\"\u003e32-bit 1536kHz\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e up to \u003cspan class=\"s1\"\u003eDSD1024\u003c\/span\u003e for faithful and detailed reproduction. The extensive connectivity allows it to be integrated into a wide range of audio setups. Based on \u003cspan class=\"s1\"\u003eCelWare 3.x\u003c\/span\u003e software, it supports \u003cspan class=\"s1\"\u003eRoon Bridge\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eAirPlay\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eHQPlayer NAA\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eUPnP\u003c\/span\u003e , \u003cspan class=\"s1\"\u003emConnect\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eBubble UPnP\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eSpotify\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eQQMusic\u003c\/span\u003e .\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: 27-bit R2R DAC\u003c\/h3\u003e\n\n\u003cp class=\"p3\"\u003e\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe core of the R30 is based on a discrete \u003cspan class=\"s1\"\u003e27-bit R2R\u003c\/span\u003e architecture, where the signal is processed by a \u003cspan class=\"s1\"\u003eladder resistor network\u003c\/span\u003e instead of a conventional conversion chip. This approach allows for fully analog conversion without complex digital interpolation. Unlike \u003cspan class=\"s1\"\u003edelta-sigma DACs\u003c\/span\u003e , which use noisy modulation and massive oversampling, \u003cspan class=\"s1\"\u003eR2R\u003c\/span\u003e works directly at the native resolution of the signal.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003eThe R30 implements \u003cspan class=\"s1\"\u003e1-bit analog decoding\u003c\/span\u003e , designed to handle \u003cspan class=\"s1\"\u003ethe DSD\u003c\/span\u003e stream purely in hardware without prior conversion to \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e . This preserves the integrity of \u003cspan class=\"s1\"\u003ethe DSD\u003c\/span\u003e signal and avoids distortion and artifacts associated with intermediate conversions. The device therefore supports native \u003cspan class=\"s1\"\u003eDSD1024\u003c\/span\u003e . This is accompanied by a specially optimized \u003cspan class=\"s1\"\u003elow-pass filter\u003c\/span\u003e , which complements the conversion stage by ensuring a smooth and controlled frequency response.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: Latest generation digital filter\u003c\/h3\u003e\n\n \u003cp class=\"p1\"\u003eThe R30 incorporates a newly developed digital filter that can upsample the signal while effectively reducing the associated noise. This processing stage also eliminates \u003cspan class=\"s1\"\u003ealiasing distortion\u003c\/span\u003e , which can be present in the bandwidth and is inherent to the conversion process. The result is that the signal retains its integrity with a cleaner and more well-defined reproduction across the entire audible spectrum.\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: OCXO clock and GCLK-02 module\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e The timing section is handled by a thermostabilized \u003cspan class=\"s1\"\u003eOCXO clock\u003c\/span\u003e , which provides high precision and optimal stability over temperature variations.\u003c\/p\u003e\n\n \u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe OCXO clock\u003c\/span\u003e is paired with a \u003cspan class=\"s1\"\u003eGCLK-02 clock module\u003c\/span\u003e , a high-performance clock frequency synthesizer that uses advanced \u003cspan class=\"s1\"\u003ePLL (Phase Locked Loop)\u003c\/span\u003e technology to ensure stability and accuracy in the produced signal. The design of the module allows the use of either a local clock source (in this case \u003cspan class=\"s1\"\u003ethe OCXO\u003c\/span\u003e ) or an external \u003cspan class=\"s1\"\u003e10MHz clock signal\u003c\/span\u003e , providing a flexible and high-quality clock solution.\u003c\/p\u003e\n\n\u003cp class=\"p1\"\u003e The R30 can also be synchronized to an external clock via its \u003cspan class=\"s1\"\u003e50 Ω BNC\u003c\/span\u003e input, which is compatible with either a square \u003cspan class=\"s1\"\u003eCMOS\u003c\/span\u003e signal (0.2–3.3 V) or a sine wave (0.5–3.3 V).\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: Gustard's FPGA\u003c\/h3\u003e\n\n \u003cp class=\"p1\"\u003eThe R30 features a proprietary \u003cspan class=\"s1\"\u003eGustard FPGA\u003c\/span\u003e for signal reconstruction and advanced digital signal processing. It handles clock signal distribution and processing, \u003cspan class=\"s1\"\u003ePLL\u003c\/span\u003e shaping, \u003cspan class=\"s1\"\u003eDoP demodulation\u003c\/span\u003e , and switching noise reduction in \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e signals. This integration enables precise control of each stage, ensuring stable and optimized conversion.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: Analog preamplifier\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e In addition to the DAC function, the R30 can be used as an analog preamplifier. The volume control is based directly on its \u003cspan class=\"s1\"\u003eR2R network\u003c\/span\u003e , allowing for lossless attenuation control. A bypass mode is available to disable the preamp section as needed. Thanks to this design, the R30 can be connected directly to a power amplifier or active speakers, simplifying integration into a high-fidelity audio system.\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: CelWare 3.x\u003c\/h3\u003e\n\n \u003cp class=\"p1\"\u003eBased on an audio-optimized \u003cspan class=\"s1\"\u003eLinux kernel\u003c\/span\u003e , the R30's \u003cspan class=\"s1\"\u003eCelWare 3.x\u003c\/span\u003e software supports various protocols such as \u003cspan class=\"s1\"\u003eRoon Bridge\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eAirPlay\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eHQPlayer NAA\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eUPnP\u003c\/span\u003e , \u003cspan class=\"s1\"\u003eSpotify\u003c\/span\u003e , and others. Users can enable or disable these features via a browser by simply entering the address \u003cspan class=\"s3\"\u003e\/\/x30.local\u003c\/span\u003e .\u003c\/p\u003e\n\n\u003cp class=\"p2\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: XMOS interface\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e The Gustard R30 is equipped with an \u003cspan class=\"s1\"\u003eXMOS XU216 USB interface\u003c\/span\u003e that supports signals up to \u003cspan class=\"s1\"\u003ePCM 768kHz\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD512\u003c\/span\u003e for superior audio transmission.\u003c\/p\u003e\n\n\u003ch3\u003e Gustard R30: Power supply\u003c\/h3\u003e\n\n\u003cp class=\"p1\"\u003e The R30 features two separate transformers to power the digital and analog sections independently, eliminating any mutual interference. Each channel is also equipped with dedicated filter capacitors, ensuring stable voltage and noise-free operation.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":52214895903047,"sku":"R30Black","price":22999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":52214895935815,"sku":"R30Silver","price":22999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/1_37a43aef-b3a2-41f6-b767-7beebe72c8ec.webp?v=1756148261"},{"product_id":"gustard-dac-r30-r2r-ladder-dac-demo","title":"Gustard DAC-R30 R2R Ladder DAC (Demo)","description":"\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eGustard R30\u003c\/span\u003e is a DAC, streamer, and preamplifier based on an \u003cspan class=\"s1\"\u003eR2R ladder resistor network\u003c\/span\u003e to provide high-precision digital-to-analog conversion. It supports \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e up to \u003cspan class=\"s1\"\u003e32-bit 1536kHz\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e up to \u003cspan class=\"s1\"\u003eDSD1024\u003c\/span\u003e for faithful and detailed reproduction. The extensive connectivity options make it possible to integrate it into a wide range of audio setups. Based on \u003cspan class=\"s1\"\u003eCelWare 3.x\u003c\/span\u003e software, it supports \u003cspan class=\"s1\"\u003eRoon Bridge\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eAirPlay\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eHQPlayer NAA\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eUPnP\u003c\/span\u003e, \u003cspan class=\"s1\"\u003emConnect\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eBubble UPnP\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eSpotify\u003c\/span\u003e, and \u003cspan class=\"s1\"\u003eQQMusic\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: 27-bit R2R DAC\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAt the heart of the R30 is a discrete \u003cspan class=\"s1\"\u003e27-bit R2R\u003c\/span\u003e architecture, where the signal is processed by a \u003cspan class=\"s1\"\u003eladder resistor network\u003c\/span\u003e instead of a conventional conversion chip. This approach enables fully analog conversion without complex digital interpolation. Unlike \u003cspan class=\"s1\"\u003edelta-sigma DACs\u003c\/span\u003e, which use noisy modulation and massive oversampling, \u003cspan class=\"s1\"\u003eR2R\u003c\/span\u003e works directly on the signal's native resolution.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe R30 implements \u003cspan class=\"s1\"\u003e1-bit analog decoding\u003c\/span\u003e, designed to handle the \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e stream cleanly in hardware without prior conversion to \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e. This preserves the integrity of the \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e signal and avoids distortion and artifacts associated with intermediate conversions. The device therefore supports native \u003cspan class=\"s1\"\u003eDSD1024\u003c\/span\u003e. This is accompanied by a specially optimized \u003cspan class=\"s1\"\u003elow-pass filter\u003c\/span\u003e, which complements the conversion stage by ensuring a smooth and controlled frequency response.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: Latest generation digital filter\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe R30 contains a newly developed digital filter that can upsample the signal while effectively reducing the associated noise. This processing phase also eliminates \u003cspan class=\"s1\"\u003ealiasing distortion\u003c\/span\u003e, which can be present in the bandwidth and is inherent to the conversion process. The result is that the signal retains its integrity with a cleaner and more well-defined reproduction across the entire audible spectrum.\u003c\/p\u003e\n\u003ch3\u003eGustard R30: OCXO clock and GCLK-02 module\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe timing section is handled by a temperature-stabilized \u003cspan class=\"s1\"\u003eOCXO clock\u003c\/span\u003e, which provides high precision and optimal stability during temperature variations.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eOCXO clock\u003c\/span\u003e is paired with a \u003cspan class=\"s1\"\u003eGCLK-02 clock module\u003c\/span\u003e, a high-performance clock frequency synthesizer that uses advanced \u003cspan class=\"s1\"\u003ePLL (Phase Locked Loop)\u003c\/span\u003e technology to ensure stability and accuracy in the produced signal. The module's design makes it possible to use either a local clock source (in this case, the \u003cspan class=\"s1\"\u003eOCXO\u003c\/span\u003e) or an external \u003cspan class=\"s1\"\u003e10MHz clock signal\u003c\/span\u003e, providing a flexible and high-quality clock solution.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe R30 can also be synchronized with an external clock via its \u003cspan class=\"s1\"\u003e50 Ω BNC\u003c\/span\u003e input, which is compatible with either a square \u003cspan class=\"s1\"\u003eCMOS\u003c\/span\u003e signal (0.2–3.3 V) or a sine wave (0.5–3.3 V).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: Gustard's FPGA\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe R30 contains a proprietary \u003cspan class=\"s1\"\u003eGustard FPGA\u003c\/span\u003e, which is responsible for signal reconstruction and advanced digital signal processing. It handles the distribution and processing of the clock signal, \u003cspan class=\"s1\"\u003ePLL\u003c\/span\u003e shaping, \u003cspan class=\"s1\"\u003eDoP demodulation\u003c\/span\u003e, as well as the reduction of switching noise in \u003cspan class=\"s1\"\u003ePCM\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD\u003c\/span\u003e signals. This integration enables precise control of every step and ensures stable and optimized conversion.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: Analog preamplification\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eIn addition to the DAC function, the R30 can be used as an analog preamplifier. The volume control is based directly on its \u003cspan class=\"s1\"\u003eR2R network\u003c\/span\u003e, enabling lossless attenuation control. A bypass mode is available to disable the preamplifier section as needed. Thanks to this design, the R30 can be connected directly to a power amplifier or active speakers, simplifying integration into a high-fidelity audio system.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: CelWare 3.x\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eBased on an audio-optimized \u003cspan class=\"s1\"\u003eLinux kernel\u003c\/span\u003e, the R30's \u003cspan class=\"s1\"\u003eCelWare 3.x\u003c\/span\u003e software supports various protocols such as \u003cspan class=\"s1\"\u003eRoon Bridge\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eAirPlay\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eHQPlayer NAA\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eUPnP\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eSpotify\u003c\/span\u003e, and more. Users can enable or disable these features via a browser by simply entering the address \u003cspan class=\"s3\"\u003e\/\/x30.local\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003ch3\u003eGustard R30: XMOS interface\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe Gustard R30 is equipped with an \u003cspan class=\"s1\"\u003eXMOS XU216 USB interface\u003c\/span\u003e, which supports signals up to \u003cspan class=\"s1\"\u003ePCM 768kHz\u003c\/span\u003e and \u003cspan class=\"s1\"\u003eDSD512\u003c\/span\u003e for superior audio transmission.\u003c\/p\u003e\n\u003ch3\u003eGustard R30: Power supply\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe R30 has two separate transformers to power the digital and analog sections independently, eliminating any mutual interference. Each channel is also equipped with dedicated filter capacitors, ensuring stable voltage and noise-free operation.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":53652972273991,"sku":null,"price":22999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/1_37a43aef-b3a2-41f6-b767-7beebe72c8ec.webp?v=1756148261"},{"product_id":"audalytic-dr70","title":"Gustard Audalytic DR70","description":"\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eDR70N is the version with Network. DR70 is without network features and is pure DAC. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eGustard\/Audalytic DR70N is an R2R digital-to-analog converter and network streamer. With an \u003cspan class=\"s1\"\u003eXMOS XU316 USB interface\u003c\/span\u003e, \u003cspan class=\"s1\"\u003efemtosecond CK01 clock module\u003c\/span\u003e, \u003cspan class=\"s1\"\u003eBluetooth 5.0 with LDAC\u003c\/span\u003e, and a well-shielded analog section, the DR70 delivers an audio experience with extreme resolution, low noise, and natural dynamic headroom.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eAdvanced digital architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe DR70 is designed to handle both PCM and native DSD signals with maximum precision.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIt uses \u003cspan class=\"s2\"\u003eindependent voltage regulation\u003c\/span\u003e for each circuit section to minimize interference and ensure optimal performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eAnalog performance — engineered for true hi-fi systems\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe discrete analog output section is built to deliver maximum transparency, low distortion, and full dynamic range.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe internal construction reflects an audiophile approach — shielded circuits, low-noise regulators, and dedicated clocks for low jitter. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch2\u003eDedicated Bridge System – Optimized for pure music playback\u003c\/h2\u003e\n\u003cp class=\"p3\"\u003eWhile standard streaming platforms often run many processes simultaneously, Gustard uses a dedicated \u003cspan class=\"s2\"\u003emusic playback hardware platform\u003c\/span\u003e stripped of all unnecessary features to preserve the most authentic sound.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eCelWare 3.x – Audio-optimized OS\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe system runs on \u003cspan class=\"s2\"\u003e\u003cb\u003eCelWare 3.x\u003c\/b\u003e\u003c\/span\u003e, a Linux-based music system specially developed for audio I\/O. The entire software and hardware architecture is optimized for:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eHardware-priority scheduling\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eUltra-low latency and jitter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eMaximum signal integrity\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eStable and fast data handling\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis ensures \u003cspan class=\"s2\"\u003edynamic music playback with maximum timing precision\u003c\/span\u003e, so you get a clean, open, and musical soundstage.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Bridge System supports software-controlled players and can disable non-essential processes to free up maximum performance for the music.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eSupports, among others:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eRoon Bridge\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eHQPlayer NAA\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eUPnP\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003emConnect\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eSpotify Connect\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eOther high-end network playback protocols\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe result is a streamer\/DAC that plays with \u003cspan class=\"s2\"\u003eexceptional calm, precision, and focus\u003c\/span\u003e — perfect for high-end systems where digital noise and jitter are unacceptable.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/uzdPuCew5TY?si=R1R-Cvt8YfEmDoP2\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Silver \/ DR70N (With Streaming)","offer_id":52713448767815,"sku":"DR70NBlack","price":2999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver \/ DR70 (Without Streaming)","offer_id":54759130005831,"sku":"DR70Black","price":2399.0,"currency_code":"DKK","in_stock":true},{"title":"Black \/ DR70N (With Streaming)","offer_id":52713448800583,"sku":"DR70NBlack","price":2999.0,"currency_code":"DKK","in_stock":true},{"title":"Black \/ DR70 (Without Streaming)","offer_id":54759130038599,"sku":"DR70Black","price":2399.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/dr702en_05.webp?v=1762507075"},{"product_id":"gustard-audalytic-hp70","title":"Gustard \/ Audalytic HP70","description":"\u003cp\u003eAudalytic \/ Gustard HP70 is a headphone amplifier and preamplifier with a fully balanced, discrete Class A circuit. It can be used for desktop headphones or as a preamplifier in a separate HiFi system.\u003c\/p\u003e\u003cp\u003eThe amplification stage uses four pairs of power transistors. When used solely as a preamplifier, the subsequent amplification stage can be disabled. The front panel features a display, volume control, and both 4.4 mm balanced and 6.35 mm single-ended headphone outputs.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eFully balanced, discrete Class A design\u003c\/li\u003e\n\n\u003cli\u003eHeadphone amplifier and preamplifier\u003c\/li\u003e\n\n\u003cli\u003e4.4 mm balanced and 6.35 mm single-ended outputs\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 220 × 170 × 50 mm\u003c\/li\u003e\n\n\u003cli\u003eWeight: 1.6 kg\u003c\/li\u003e\n\n\u003cli\u003ePower consumption: under 15 W\u003c\/li\u003e\n\n\u003cli\u003eRemote control included\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"HeadAudio","offers":[{"title":"Default Title","offer_id":53081423937863,"sku":"HP70","price":2499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/YC3dmrl.png?v=1767707250"},{"product_id":"gustard-dac-r26-ii-r2r-ladder-dac-demo","title":"Gustard DAC-R26 II R2R ladder DAC (Demo)","description":"\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eGustard R26 II\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDiscrete R-2R Network Streaming DAC\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cspan class=\"s2\"\u003e\u003cb\u003eGustard R26 II\u003c\/b\u003e\u003c\/span\u003e is a fully discrete R-2R DAC with integrated network streaming, designed with a focus on signal purity, precision, and analog sound quality. The entire design is built around proprietary modules, a separate power supply, and advanced clock management to ensure stable and consistent high-level performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFully Discrete 26-bit R-2R Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe R26 II uses Gustard's proprietary \u003cspan class=\"s2\"\u003e\u003cb\u003efully discrete R-2R resistor ladder DAC architecture\u003c\/b\u003e\u003c\/span\u003e in a new \u003cspan class=\"s2\"\u003e\u003cb\u003e26-bit implementation\u003c\/b\u003e\u003c\/span\u003e. Unlike Delta-Sigma-based solutions, the conversion here is performed directly from a digital signal to an analog voltage without noise shaping or high-frequency modulation. The result is a more organic, fluid, and analog sound character.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe discrete design places extremely high demands on component matching and PCB layout, and the R26 II is constructed with precision-selected components and very tight tolerances to achieve stability and uniform performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eNative 1-Bit DSD – Direct DSD Mode\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe DAC core supports \u003cspan class=\"s2\"\u003e\u003cb\u003etrue native 1-bit DSD\u003c\/b\u003e\u003c\/span\u003e, all the way up to \u003cspan class=\"s2\"\u003e\u003cb\u003eDSD2048 via I²S\u003c\/b\u003e\u003c\/span\u003e. In \u003cspan class=\"s2\"\u003e\u003cb\u003eDirect DSD Mode\u003c\/b\u003e\u003c\/span\u003e, the DSD bitstream is fed directly to the 1-bit switch array without internal PCM conversion or DSP manipulation.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis hardware-based decoding preserves dynamics, transient response, and the original Pulse Density Modulation (PDM) without compromise.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFPGA-Based Digital Processing\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe R26 II is equipped with an \u003cspan class=\"s2\"\u003e\u003cb\u003eFPGA platform\u003c\/b\u003e\u003c\/span\u003e that handles:\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eClock management\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003e2nd-order PLL digital shaping\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eDoP demodulation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM \/ DSD path switching\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eThis flexible and proprietary digital processing forms the basis for high signal integrity and precise timing across all input types.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGCLK-02 Clock Module \u0026amp; External 10 MHz Input\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe internal \u003cspan class=\"s2\"\u003e\u003cb\u003eGCLK-02 clock module\u003c\/b\u003e\u003c\/span\u003e uses advanced PLL technology with a locking accuracy of \u003cspan class=\"s2\"\u003e\u003cb\u003e±1 Hz\u003c\/b\u003e\u003c\/span\u003e, ensuring extreme frequency and phase precision.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIn addition, the R26 II supports \u003cspan class=\"s2\"\u003e\u003cb\u003eexternal 10 MHz clock reference input (BNC)\u003c\/b\u003e\u003c\/span\u003e, so an external high-precision master clock can be used for further improved timing and sound quality.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDiscrete Class-A LPF Output Stage\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe analog output is built with a \u003cspan class=\"s2\"\u003e\u003cb\u003efully discrete Class-A Low Pass Filter (LPF)\u003c\/b\u003e\u003c\/span\u003e, specifically tuned for the R-2R architecture.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eInstead of integrated op-amps, discrete components are used, providing full control over bias, compensation, and harmonic structure. The result is improved transient response, more nuanced tone, and high thermal stability.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDual Independent Power Supplies\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe digital and analog sections are completely separated and powered by \u003cspan class=\"s2\"\u003e\u003cb\u003etwo dedicated toroidal transformers\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThis physical and electrical separation reduces crosstalk and interference – including RF noise – and ensures a stable and low-noise operating environment for both digital and analog signal processing.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eNetwork Streaming \u0026amp; Connectivity\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p3\"\u003eThe R26 II functions as a \u003cspan class=\"s2\"\u003e\u003cb\u003enetwork streaming DAC\u003c\/b\u003e\u003c\/span\u003e and supports:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eRoon Bridge\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eAirPlay\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eUPnP\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eSpotify Connect (via network bridge)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNAA\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eIn addition, \u003cspan class=\"s2\"\u003e\u003cb\u003eBluetooth 5.1\u003c\/b\u003e\u003c\/span\u003e is offered, as well as USB, AES\/EBU, Coaxial, Optical, and \u003cspan class=\"s2\"\u003e\u003cb\u003eI²S (configurable pinout)\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eHigh-Resolution Support\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM up to \u003cspan class=\"s1\"\u003e\u003cb\u003e768 kHz\u003c\/b\u003e\u003c\/span\u003e (USB)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003ePCM up to \u003cspan class=\"s1\"\u003e\u003cb\u003e1536 kHz\u003c\/b\u003e\u003c\/span\u003e (I²S)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNative DSD up to \u003cspan class=\"s1\"\u003e\u003cb\u003eDSD512\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"p1\"\u003eNative DSD up to \u003cspan class=\"s1\"\u003e\u003cb\u003eDSD2048 (I²S)\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDesign \u0026amp; Usability\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p3\"\u003eThe enclosure is made of solid aluminum with a focus on mechanical stability and effective shielding. The display offers \u003cspan class=\"s2\"\u003e\u003cb\u003ethree screensaver modes\u003c\/b\u003e\u003c\/span\u003e with adjustable brightness, and the unit supports \u003cspan class=\"s2\"\u003e\u003cb\u003eremote control\u003c\/b\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eBalanced XLR and single-ended RCA outputs are available.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":53445715132743,"sku":"GustardR26","price":10900.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/R26IIfront.jpg?v=1772530080"},{"product_id":"gustard-s26-streamer-transport","title":"Gustard S26 Streamer Transport","description":"\u003cp class=\"p1\"\u003eGustard S26 is a streamer designed to deliver exceptional audio performance through meticulous optimization of every single component. Everything from the cooling system to the selection of hardware components and the power supply circuit is developed to ensure stable operation and minimize noise and jitter in the output signal as much as possible.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: Ryzen 5 5600U processor\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe S26 is powered by a Ryzen 5 5600U. This powerful processor is based on the Zen 3 architecture, with 6 cores and 12 threads clocked at 2.3GHz and with the option of up to 4.2GHz in turbo mode. This makes the S26 extremely responsive in all situations and ensures a very smooth user experience.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: Efficient cooling system\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eTo avoid noise and interference, Gustard has chosen a heat pipe cooling system with copper tubes, which ensures effective heat dissipation without the interference and mechanical vibrations that a fan can create.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: Internal SSD memory\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFor storing your favorite tracks in the best possible quality, the S26 is equipped with a 1TB NVMe SSD, which provides instant access thanks to the high speed of this technology as well as the built-in DDR4 RAM. In addition, you can expand with up to 4TB of PCIe 3.0 SSD NVMe storage (SSD sold separately).\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: Quality power supply\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe S26’s power supply is based on a 120VA OFC copper transformer. The current then passes through a double bridge rectifier, which can generate up to 800V DC with a capacity of 25A. In addition, an inrush current capacity of 400A ensures high efficiency and stable operation. 40800µF capacitors then stabilize the power supply and deliver continuous energy without interference.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe power supply for the various modules in the S26 is distributed via several independent circuits, each with a low voltage drop regulator, which ensures an extremely clean power supply with noise under 5µV.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: GCLK-02 internal clock\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eTo ensure perfect synchronization of the signal, the S26 adjusts the output frequency based on a single clock signal. This clock signal simultaneously controls the PCIe, network, and USB connections, which ensures high consistency and optimal stability.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe GCLK-02 clock module uses a phase-locked loop, which can maintain extreme precision with 1Hz lock and thus ensure ultra-precise clock signal control. For even higher precision, you can connect an external 10MHz clock via a 50Ω impedance BNC input.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003e\u003cb\u003eGustard S26: Extended compatibility\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eGustard S26 supports Roon Core as well as UPnP Servers, which makes it easy to integrate into a wide range of setups. In addition, the device is compatible with Apple AirPlay and QQ Music.\u003c\/p\u003e","brand":"HeadAudio","offers":[{"title":"Black","offer_id":53594281148743,"sku":null,"price":12499.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":53594281181511,"sku":null,"price":12499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/Gust-S26.jpg?v=1774536326"},{"product_id":"gustard-u26-ddc","title":"Gustard U26 - DDC","description":"\u003cp\u003eThe Gustard U26 is a USB Digital Interface \/ DDC that connects a USB audio source to an external DAC. Amanero USB Audio is combined with full isolation, which is designed to isolate noise from the computer.\u003c\/p\u003e\u003cp\u003eAn SC-cut OCXO and K2 Ultra-Low Noise Clock Synthesis are responsible for the clock system, while the CPLD handles digital shaping. Two IIS-H outputs have adjustable pin assignment, so the connection can be adapted to compatible DACs.\u003c\/p\u003e\u003cp\u003eThe power supply is based on an audio-grade toroidal transformer, discrete power supply, and 80,000 µF primary filtering. Custom drivers allow for adjustment of buffer latency.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eAmanero USB Audio with full isolation\u003c\/li\u003e\n\n\u003cli\u003eSupport for up to PCM 1,536 MHz and DSD2048, depending on connection and connected equipment\u003c\/li\u003e\n\n\u003cli\u003eSC-cut OCXO and K2 clock synthesis\u003c\/li\u003e\n\n\u003cli\u003eDual IIS-H outputs with adjustable pin assignment\u003c\/li\u003e\n\n\u003cli\u003eCPLD digital shaping\u003c\/li\u003e\n\n\u003cli\u003eAvailable in black and silver\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"HeadAudio","offers":[{"title":"Sort","offer_id":53658733084999,"sku":"GustardU26","price":7499.0,"currency_code":"DKK","in_stock":true},{"title":"Sølv","offer_id":53658733117767,"sku":"GustardU27","price":7499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/U26_21a9288e-20e0-4146-961b-91fb6054dd8a.webp?v=1775498304"},{"product_id":"gustard-dr80-dr80n","title":"Gustard DR80 \/ DR80N","description":"\u003cp\u003e\u003cstrong\u003eGustard DR80 \/ DR80N\u003c\/strong\u003e is a Discrete R2R DAC from AUDALYTIC, sold under the Gustard brand. Choose the DR80 for your existing digital setup or the DR80N with Network for network streaming.\u003c\/p\u003e\n\u003ch2\u003eTwo models – the same flexible foundation\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDR80:\u003c\/strong\u003e Discrete R2R DAC without Network.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDR80N:\u003c\/strong\u003e Discrete R2R DAC with Network.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eBoth models are available in Black and Silver.\u003c\/p\u003e\n\u003ch2\u003eDigital inputs\u003c\/h2\u003e\u003cp\u003eConnect your digital sources via USB, COAX, OPT or IIS. Bluetooth 5.1 supports LDAC, AAC, SBC, aptX, aptX LL and aptX HD, among others. USB supports PCM up to 32-bit\/768kHz and Native DSD up to DSD1024. The DR80N also supports these formats via the Streamer input.\u003c\/p\u003e\n\u003ch2\u003eAnalog Outputs\u003c\/h2\u003e\u003cp\u003eChoose RCA or balanced XLR for the connection to your amplifier. With Volume Fixed, the Output Level is 2Vrms and 4Vrms, respectively.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003eFrequency Response: 20Hz–20kHz ±0.2dB in OS mode\u003c\/li\u003e\n\n\u003cli\u003eDynamic Range: \u0026gt;114dB\u003c\/li\u003e\n\n\u003cli\u003eSignal-to-noise ratio: \u0026gt;115dB\u003c\/li\u003e\n\n\u003cli\u003eTHD+N: ≤0.003% at 1kHz\u003c\/li\u003e\n\n\u003cli\u003eOutput Impedance: 100Ω, RCA and XLR\u003c\/li\u003e\n\n\u003cli\u003ePower consumption: \u0026lt;12W\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 300 × 58 × 230mm without protrusions\u003c\/li\u003e\n\n\u003cli\u003eWeight: 2.8kg\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eIncluded: DAC, Bluetooth antenna, USB cable, power cable, remote control and brand card.\u003c\/p\u003e","brand":"Gustard","offers":[{"title":"DR80 \/ Sort","offer_id":55505943953735,"sku":null,"price":5499.0,"currency_code":"DKK","in_stock":true},{"title":"DR80 \/ Silver","offer_id":55505943986503,"sku":null,"price":5499.0,"currency_code":"DKK","in_stock":true},{"title":"DR80N – with Network \/ Sort","offer_id":55505944019271,"sku":null,"price":6499.0,"currency_code":"DKK","in_stock":true},{"title":"DR80N – with Network \/ Silver","offer_id":55505944052039,"sku":null,"price":6499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/gustard-dr80-4.png?v=1792570334"},{"product_id":"gustard-x18","title":"Gustard X18","description":"\u003cp\u003eThe Gustard X18 is a balanced DAC with an ESS ES9038PRO, designed to connect digital audio sources to your HiFi system. It features both RCA and balanced XLR analog outputs and supports MQA via USB, AES, coaxial, and optical inputs.\u003c\/p\u003e\u003cp\u003eAn OLED display shows the device's settings. The brightness can be adjusted, and the display can be set to turn off automatically after 10 seconds. The included remote control makes it easy to operate from the listening position.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eDAC chip: ESS ES9038PRO\u003c\/li\u003e\n\n\u003cli\u003eMQA support via USB, AES, coaxial, and optical\u003c\/li\u003e\n\n\u003cli\u003eRCA output level: 2.5 Vrms\u003c\/li\u003e\n\n\u003cli\u003eBalanced XLR output level: 5 Vrms\u003c\/li\u003e\n\n\u003cli\u003eFrequency response: 20 Hz–20 kHz, ±0.08 dB\u003c\/li\u003e\n\n\u003cli\u003eDimensions: 220 × 50 × 170 mm\u003c\/li\u003e\n\n\u003cli\u003eRemote control, USB cable, and power cable included\u003c\/li\u003e\n\n\u003cli\u003eAvailable in black and silver\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Gustard","offers":[{"title":"Sort","offer_id":55507489161543,"sku":null,"price":4999.0,"currency_code":"DKK","in_stock":true},{"title":"Silver","offer_id":55507489194311,"sku":null,"price":4999.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/gustard-x18a.jpg?v=1792579270"},{"product_id":"gustard-c2-bnc-coax-1-m","title":"Gustard C2 BNC Coax – 1 m","description":"\u003cp\u003eGustard C2 is a BNC coaxial cable for digital audio connections and clock signals. The cable can be used between compatible clock generators, digital interfaces, transports, and DACs with BNC connections.\u003c\/p\u003e\u003cp\u003eThe C2 is 1 meter long and features a blue jacket and gold-plated BNC connectors. The construction uses RF wire with an alloy conductor. According to the manufacturer, the adaptive design is compatible with connections having a characteristic impedance of 50 Ω or 75 Ω.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003eModel: Gustard C2\u003c\/li\u003e\n\n\u003cli\u003eType: BNC coaxial digital \/ clock cable\u003c\/li\u003e\n\n\u003cli\u003eLength: 1 meter\u003c\/li\u003e\n\n\u003cli\u003eConnectors: gold-plated BNC\u003c\/li\u003e\n\n\u003cli\u003eConductor: alloy\u003c\/li\u003e\n\n\u003cli\u003eColor: blue\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Gustard","offers":[{"title":"Default Title","offer_id":55507489358151,"sku":null,"price":1499.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/9838\/0103\/files\/gustard-c2a.jpg?v=1792579279"}],"url":"https:\/\/headaudio.eu\/collections\/gustard.oembed","provider":"HeadAudio","version":"1.0","type":"link"}