{"product_id":"aqua-acoustic-quality-formula-xhd-dac-d-a-converter","title":"Aqua Acoustic Quality - Formula xHD Rev.2 - DAC \/ D\/A Converter","description":"\u003cdiv style=\"font-size:14px;\"\u003e\n\n\u003cp\u003e\nThe Formula xHD Rev.2 is designed for listeners who want digital playback to sound organic, dimensional, and emotionally convincing rather than overly processed or artificial. Aqua’s proprietary Optologic R2R conversion architecture avoids traditional digital filtering, allowing music to flow with exceptional realism, tonal density, and natural timing.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhat sets the Formula xHD Rev.2 apart is its obsessive focus on purity and isolation. Its FPGA-driven resistor ladder design, galvanic and magnetic isolation, and fully discrete analog stages create a presentation with remarkable clarity and quietness. Instruments and vocals emerge from a black background with convincing texture, depth, and spatial realism while maintaining a smooth, fatigue-free character.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe Rev.2 analog module and upgraded xHD architecture further improve speed, transparency, and low-level detail. Whether paired with high-resolution streaming or a reference transport, the Formula xHD Rev.2 delivers an immersive and highly musical digital experience built for serious long-term listening.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eAvailable in Satin Silver or Satin Black finishes.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color:#f39c12;\"\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul style=\"margin-top:0px;\"\u003e\n\u003cli\u003eProprietary Optologic D\/A Conversion System\u003c\/li\u003e\n\u003cli\u003ePure R2R Ladder FPGA-Based Architecture Without Digital Filter\u003c\/li\u003e\n\u003cli\u003eGalvanic and Magnetic Isolation Between FPGA and R2R Ladder Converter Branches\u003c\/li\u003e\n\u003cli\u003eJitter Free AQlink PRO (I2S Protocol) Digital Interface\u003c\/li\u003e\n\u003cli\u003eDiscrete R2R Ladder DACs with Low Noise Precision Resistors\u003c\/li\u003e\n\u003cli\u003eZero S\/PDIF Jitter Design with PLL Technology\u003c\/li\u003e\n\u003cli\u003eHigh-Performance AQ Discrete Regulator Power Supply Using MOSFET, J-FET, and BJT Devices\u003c\/li\u003e\n\u003cli\u003e2 Separate Low Noise C-Core Power Transformers for Analog and Digital Sections\u003c\/li\u003e\n\u003cli\u003eUpgradeable Modular Multi-Board Platform Design\u003c\/li\u003e\n\u003cli\u003eTransformer-Based True Balanced Audio Output Stage\u003c\/li\u003e\n\u003cli\u003eFully Upgradeable High-Speed USB Hybrid 2-Stage XMOS xCore XE216 + FPGA\u003c\/li\u003e\n\u003cli\u003eFully Floating Isolated USB Decoding and FPGA Clock Generation\u003c\/li\u003e\n\u003cli\u003eProprietary USB Firmware and Driver Architecture\u003c\/li\u003e\n\u003cli\u003eUSB Asynchronous Native Support for Apple Mac OS and Linux OS\u003c\/li\u003e\n\u003cli\u003eDigital Phase Selector on Front Panel\u003c\/li\u003e\n\u003cli\u003eHigh-Quality Selected Components for Sound Quality and Longevity\u003c\/li\u003e\n\u003cli\u003eTantalum, Solid-Polymer OS-CON, and Double-Metalized MJP Capacitors\u003c\/li\u003e\n\u003cli\u003eLow Noise Metal Foil Ultra-Precision Resistors\u003c\/li\u003e\n\u003cli\u003eDouble Metallized Film Pulse Capacitors\u003c\/li\u003e\n\u003cli\u003eUltra-Fast Diodes\u003c\/li\u003e\n\u003cli\u003eHalogen Free Internal Cabling\u003c\/li\u003e\n\u003cli\u003eAluminium Anti-Resonant Cabinet with Nextel Finish\u003c\/li\u003e\n\u003cli\u003eOptional RC5 IR Remote Controller\u003c\/li\u003e\n\u003cli\u003eDesigned and Handmade in Italy\u003c\/li\u003e\n\u003cli\u003eAdvanced ARM Microcontroller for User Interface and System Management\u003c\/li\u003e\n\u003cli\u003eDirect-Coupled Capacitor-Free Signal Path\u003c\/li\u003e\n\u003cli\u003eSingle-Ended and Transformer-Coupled Balanced Output Stages\u003c\/li\u003e\n\u003cli\u003eUltra-Low RF Noise Electronics Design\u003c\/li\u003e\n\u003cli\u003eCustomized XMOS X Core Driver for Windows OS\u003c\/li\u003e\n\u003cli\u003eRev.2 Analog Module with New Output Transformers\u003c\/li\u003e\n\u003cli\u003eSuper-Fast Active Components and Improved Circuit Polarization\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong style=\"color:#f39c12;\"\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eDAC Architecture:\u003c\/strong\u003e Proprietary Optologic Pure R2R Ladder FPGA-Based DAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eDigital Filter:\u003c\/strong\u003e None (Filter-Less Design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eConverter Structure:\u003c\/strong\u003e Sign-Magnitude Converter Structure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eResistor Banks:\u003c\/strong\u003e Four 24-Bit Precision Resistor Banks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eSupported PCM Resolution:\u003c\/strong\u003e Up to 768kHz PCM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eSupported DSD Resolution:\u003c\/strong\u003e Native DSD512\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eUSB Architecture:\u003c\/strong\u003e Hybrid 2-Stage XMOS xCore XE216 + FPGA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eUSB Operation:\u003c\/strong\u003e Fully Floating Isolated USB Decoding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eClock Generation:\u003c\/strong\u003e FPGA Proprietary Clock Generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eOperating System Support:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eWindows 7 \/ Windows 10\u003c\/li\u003e\n\u003cli\u003eMac OS Native X Core Audio\u003c\/li\u003e\n\u003cli\u003eLinux USB Audio 2.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eDigital Interface:\u003c\/strong\u003e AQlink PRO (I2S Protocol)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003ePower Supply Design:\u003c\/strong\u003e Separate Analog and Digital Power Supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003ePower Transformers:\u003c\/strong\u003e 2 Low Noise C-Core Transformers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eSignal Path:\u003c\/strong\u003e Direct-Coupled and Capacitor-Free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eOutput Stages:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-Ended Output Stage\u003c\/li\u003e\n\u003cli\u003eTransformer-Coupled Balanced Output Stage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eControl System:\u003c\/strong\u003e ARM Microcontroller with RS232 Communication Support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eCabinet Construction:\u003c\/strong\u003e Aluminium Anti-Resonant Chassis with Nextel Finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color:#000000;\"\u003eManufacturing:\u003c\/strong\u003e Designed and Handmade in Italy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Aqua Acoustic","offers":[{"title":"Silver","offer_id":51675855454496,"sku":null,"price":18900.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":51675855487264,"sku":null,"price":18900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/formula_fronte_1600.jpg?v=1779224640","url":"https:\/\/salon1audio.com\/products\/aqua-acoustic-quality-formula-xhd-dac-d-a-converter","provider":"Salon 1 Audio","version":"1.0","type":"link"}