{"product_id":"luxsin-x9-fully-balanced-dac-headphone-amplifier","title":"Luxsin X9 Fully Balanced DAC \u0026 Headphone Amp\/Preamp","description":"\u003ch2\u003e\u003cstrong\u003eLuxsin X9\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003ePure Sound, Pure Serenity\u003c\/h3\u003e\n\u003cp\u003eDesigned to meet the exacting standards of audiophiles and high-fidelity sound enthusiasts, Luxsin X9 seamlessly blends powerful hardware with a sleek, functional design to deliver pure and captivating sound. Innovative in-house developed features provide a uniquely immersive listening experience, while the intuitive software system ensures effortless and efficient operation.\u003c\/p\u003e\n\u003ch3\u003eHP-EQ System\u003c\/h3\u003e\n\u003cp\u003eThe X9’s unique HP-EQ technology applies real-time hardware-level EQ adjustments based on each headphone’s frequency response. This enables a sound signature closely aligned with the ideal Harman curve, providing an audio experience that resonates with a wide range of listener preferences. It also supports custom EQ profiles with one-click switching, backed by a growing database of over 2500 headphone models.\u003c\/p\u003e\n\u003ch3\u003ePrecision Perfected\u003c\/h3\u003e\n\u003cp\u003eEngineered with a fully balanced R2R volume control circuit composed of high-precision components, it enables left-right channel balance adjustments with exceptional accuracy of 0.1dB, ensuring precise and distortion-free audio performance.\u003c\/p\u003e\n\u003ch3\u003eImpedance Auto-Detect System\u003c\/h3\u003e\n\u003cp\u003eLuxsin’s self-developed impedance detection system automatically measures the impedance of connected headphones via the 6.35mm or 4.4mm ports and intelligently recommends the most suitable output gain setting. Utilizing advanced bypass detection technology, this system ensures precise impedance measurement with zero impact on sound quality.\u003c\/p\u003e\n\u003ch3\u003eTrue Flagship\u003c\/h3\u003e\n\u003cp\u003eWith an ultra-low ripple of just 40nV, the motherboard features a star-shaped voltage distribution circuit that cleanly separates digital and analog power paths. The AK4499EX DAC is stabilized by an OPA1612 op-amp, providing an ultra-stable reference voltage for highly accurate signal processing. With a THD+N of -120dB, the system delivers outstanding clarity, resolution, and dynamic range.\u003c\/p\u003e\n\u003ch3\u003eCrossfeed \u0026amp; Adjustable Soundstage\u003c\/h3\u003e\n\u003cp\u003eThe X9 features advanced digital crossfeed for a natural, speaker-like sound, reducing fatigue during long sessions. Users can also adjust soundstage depth and width, with both features implemented digitally to ensure precise control without the distortion or coloration typical of analog solutions\u003c\/p\u003e\n\u003ch3\u003e4.0-inch Full-Color Touchscreen\u003c\/h3\u003e\n\u003cp\u003eFeaturing a 4.0-inch full-color touchscreen, it offers a vibrant, high-definition display for an intuitive and visually engaging user experience. The display can be turned off for a completely immersive, blackout listening experience, while the device automatically enters standby mode when no signal is detected, ensuring efficiency and convenience.\u003c\/p\u003e\n\u003ch3\u003eVisible Rhythm\u003c\/h3\u003e\n\u003cp\u003eThe X9 features a dynamic VU meter that visually captures every subtle fluctuation in the audio, providing a real-time graphical representation of the sound. With multiple VU meter styles to choose from, users can personalize their visual experience while enjoying the music\u003c\/p\u003e\n\u003ch3\u003eTrue Full Balance\u003c\/h3\u003e\n\u003cp\u003eEvery stage, from signal input decoding and AK4499EX DAC to OP1612 IV conversion, LPF filtering, R2R volume control, dynamic feedback, and the 6120A2 headphone amplifier, is powered by a fully differential balanced circuit. This design ensures uncompromising audio performance, delivering unparalleled sound clarity, precision, and depth\u003c\/p\u003e\n\u003ch3\u003eSmart Control\u003c\/h3\u003e\n\u003cp\u003eThe X9 runs on an advanced automotive-grade RTOS, ensuring stable and efficient control of all I\/O interfaces. It supports both infrared remote and wireless control via phone or computer, with OTA updates for easy firmware upgrades and ongoing performance improvements\u003c\/p\u003e\n\u003ch3\u003eDynamic Negative Feedback\u003c\/h3\u003e\n\u003cp\u003eLuxsin Dynamic Negative Feedback (DNF) technology, utilizing the OPA1612 + TPA6120A2 combination, significantly reduces harmonic and intermodulation distortion, ensuring a cleaner, more transparent sound with minimal coloration while accurately reproducing every sonic detail. This advanced design enhances tonal purity and dynamic expression, delivering a refined and immersive listening experience.\u003c\/p\u003e\n\u003ch3\u003eAudiophile-grade components\u003c\/h3\u003e\n\u003cp\u003eTo achieve ultimate sound quality, every component has been meticulously chosen. This includes premium red WIMA capacitors, gold-plated aluminum electrolytic capacitors, high-grade green non-polarized capacitors, numerous 0.1% high-precision low-temperature drift resistors, and TI BB’s OPA1612 op-amps.\u003c\/p\u003e\n\u003ch4\u003eOCC cables\u003c\/h4\u003e\n\u003cp\u003eOhno Continuous Cast (OCC) silver-plated cables\u003c\/p\u003e\n\u003ch4\u003eClock\u003c\/h4\u003e\n\u003cp\u003eUltra high precision femtosecond clock\u003c\/p\u003e\n\u003ch3\u003eDiamond-cut design\u003c\/h3\u003e\n\u003cp\u003eThe diamond-cut bevel design of the front panel, set at a 15° incline, not only enhances its aesthetic appeal but also improves ergonomic touch control. The full CNC-machined aluminum chassis ensures excellent heat dissipation, durability, and a sleek, elegant appearance.\u003c\/p\u003e\n\u003ch3\u003eHeadphone AMP and PreAMP in one\u003c\/h3\u003e\n\u003cp\u003eThe X9 is equipped with an extensive range of connectivity options, including HDMI ARC, optical, coaxial, analog inputs, USB-B\/USB-C, 12V trigger ports, and dual subwoofer outputs. This allows for seamless integration into various audio setups, providing flexibility for both home and professional audio environments. As a reference-grade DAC, headphone amplifier, and preamplifier, the X9 delivers exceptional signal control and dynamic audio performance, setting a new standard in desktop audio.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eAudio\u003c\/h3\u003e\n\u003ch4\u003ePlay \u0026amp; DAC\u003c\/h4\u003e\n\u003cp\u003esupport DSD512，PCM 768KHz 32-bit\u003c\/p\u003e\n\u003ch4\u003eBluetooth audio input\u003c\/h4\u003e\n\u003cp\u003eBT5.0，support AAC\/SBC\u003c\/p\u003e\n\u003ch4\u003eUSB-B audio input\u003c\/h4\u003e\n\u003cp\u003esupport Windows (10, 11)，Android，IOS。support DSD512，PCM 768KHz 32-bit\u003c\/p\u003e\n\u003ch4\u003eOptical\/Coaxial audio input\u003c\/h4\u003e\n\u003cp\u003esupport PCM 192KHz 24-bit，DoP64\u003c\/p\u003e\n\u003ch4\u003eHDMI ARC\u003c\/h4\u003e\n\u003cp\u003esupport PCM 192KHz 24-bit\u003c\/p\u003e\n\u003ch4\u003eAnalog input\u003c\/h4\u003e\n\u003cp\u003eRCA（unbalance），max gain +10dB\u003c\/p\u003e\n\u003ch4\u003eAnalog audio output interface\u003c\/h4\u003e\n\u003cp\u003eXLR (balanced)+RCA (unbalanced)+subwoofer output\u003c\/p\u003e\n\u003ch4\u003eXLR Audio Output\u003c\/h4\u003e\n\u003cp\u003eoutput level 4.2Vrms@0dBFS\u003c\/p\u003e\n\u003cp\u003eFrequency Response：20Hz~20KHz (±0.25dB)\u003c\/p\u003e\n\u003cp\u003eDynamic Range：\u0026gt; 128dB\u003c\/p\u003e\n\u003cp\u003eSignal-to-Noise Ratio (SNR)：\u0026gt;128dB\u003c\/p\u003e\n\u003cp\u003eTHD+N：\u0026lt;0.000096% (-120.3dB) @ Unweighted\u003c\/p\u003e\n\u003cp\u003eCrosstalk：\u0026gt;-117dB\u003c\/p\u003e\n\u003ch4\u003eRCA Audio Output\u003c\/h4\u003e\n\u003cp\u003eoutput level 2.1Vrms@0dBFS\u003c\/p\u003e\n\u003cp\u003eFrequency Response：20Hz~20KHz (±0.25dB)\u003c\/p\u003e\n\u003cp\u003eDynamic Range：\u0026gt; 125dB\u003c\/p\u003e\n\u003cp\u003eSignal-to-Noise Ratio (SNR)：\u0026gt;125dB\u003c\/p\u003e\n\u003cp\u003eTHD+N：\u0026lt;0.00010% (-119dB) @ Unweighted\u003c\/p\u003e\n\u003cp\u003eCrosstalk：\u0026gt;-114dB\u003c\/p\u003e\n\u003ch4\u003eHeadphone Audio Output\u003c\/h4\u003e\n\u003cp\u003eoutput level 4-15Vrms@0dBFS\u003c\/p\u003e\n\u003cp\u003eFrequency Response：20Hz~20KHz (±0.25dB)\u003c\/p\u003e\n\u003cp\u003eDynamic Range：\u0026gt; 128dB\u003c\/p\u003e\n\u003cp\u003eSignal-to-Noise Ratio (SNR)：\u0026gt;128dB\u003c\/p\u003e\n\u003cp\u003eTHD+N：\u0026lt;0.00016% (-116dB) @ Unweighted\u003c\/p\u003e\n\u003ch3\u003eDetails \u0026amp; Dimensions\u003c\/h3\u003e\n\u003ch4\u003eModel\u003c\/h4\u003e\n\u003cp\u003eX9\u003c\/p\u003e\n\u003ch4\u003eDisplay\u003c\/h4\u003e\n\u003cp\u003e4-inch TFT Fully Laminated Touchscreen（960X400）\u003c\/p\u003e\n\u003ch4\u003eHardware solution\u003c\/h4\u003e\n\u003cp\u003eDAC：AK4191EQ+AK4499EX ；Bluetooth decoding：QCC5125\u003c\/p\u003e\n\u003ch4\u003eAudio processor\u003c\/h4\u003e\n\u003cp\u003eAKM 7739 DSP\u003c\/p\u003e\n\u003ch4\u003eOp-Amp chip\u003c\/h4\u003e\n\u003cp\u003eOPA1612\u003c\/p\u003e\n\u003ch4\u003edimension\u003c\/h4\u003e\n\u003cp\u003eWidth: 300mm * Length: 206mm * Height: 65mm\u003c\/p\u003e\n\u003ch4\u003ePower supply\u003c\/h4\u003e\n\u003cp\u003eUltra-Low Noise Linear Power Supply\u003c\/p\u003e\n\u003ch4\u003eRated Power\u003c\/h4\u003e\n\u003cp\u003e25W\u003c\/p\u003e\n\u003ch4\u003ePacking list\u003c\/h4\u003e\n\u003cp\u003ePower Cable ×1, Remote Controller ×1, USB-B Cable×1, User Manual ×1\u003c\/p\u003e\n\u003ch4\u003eColor\u003c\/h4\u003e\n\u003cp\u003eSilver\u003c\/p\u003e\n\u003ch4\u003eWeight\u003c\/h4\u003e\n\u003cp\u003e3.72kg\u003c\/p\u003e\n\u003ch4\u003eOperation method\u003c\/h4\u003e\n\u003cp\u003eTouchscreen, Infrared + Bluetooth Remote Control, Luxsin App (compatible with Android and iOS)\u003c\/p\u003e\n\u003ch3\u003eInput\u003c\/h3\u003e\n\u003ch4\u003eUSB-A Port\u003c\/h4\u003e\n\u003cp\u003eFor Firmware Updates Only\u003c\/p\u003e\n\u003ch4\u003eUSB- B Port\u003c\/h4\u003e\n\u003cp\u003eUSB Audio System Compatibility: Windows (10, 11), Android, iOS; Supports up to Stereo DSD512, PCM 768kHz\/32-Bit\u003c\/p\u003e\n\u003ch4\u003eUSB Type-C\u003c\/h4\u003e\n\u003cp\u003eUSB Audio System Compatibility: Windows (10, 11), Android, iOS; Supports up to Stereo DSD512, PCM 768kHz\/32-Bit\u003c\/p\u003e\n\u003ch4\u003eAnalog (unbalanced input)\u003c\/h4\u003e\n\u003cp\u003eRAC*2（unbalanced），Max Gain +10dB\u003c\/p\u003e\n\u003ch4\u003eOptical\u003c\/h4\u003e\n\u003cp\u003eSupport up to PCM 192KHz 24-bit，DoP64\u003c\/p\u003e\n\u003ch4\u003eCoaxial\u003c\/h4\u003e\n\u003cp\u003eRAC*1\u003c\/p\u003e\n\u003ch4\u003eBluetoth input\u003c\/h4\u003e\n\u003cp\u003eBT5.0，support AAC\/SBC\u003c\/p\u003e\n\u003ch4\u003eHDMI ARC\u003c\/h4\u003e\n\u003cp\u003esupport PCM 192KHz 24-bit\u003c\/p\u003e\n\u003ch4\u003eTRIGGER Connection\u003c\/h4\u003e\n\u003cp\u003e3.5mm Headphone Jack (TRIGGER IN ×1 + TRIGGER OUT ×1)\u003c\/p\u003e\n\u003ch4\u003eWiFi\u003c\/h4\u003e\n\u003cp\u003eWiFi 2.4G \/ 5G\u003c\/p\u003e\n\u003ch4\u003eVolume Knob\u003c\/h4\u003e\n\u003cp\u003eEncoder Knob\u003c\/p\u003e\n\u003ch4\u003ePower Button\u003c\/h4\u003e\n\u003cp\u003eSingle Press: Mute, Long Press: Standby\u003c\/p\u003e\n\u003ch4\u003ePower Switch\u003c\/h4\u003e\n\u003cp\u003eRocker Switch\u003c\/p\u003e\n\u003ch4\u003ePower Supply\u003c\/h4\u003e\n\u003cp\u003eAC 100-240V~50\/60Hz\u003c\/p\u003e\n\u003ch4\u003eController\u003c\/h4\u003e\n\u003cp\u003e12-Button Infrared Remote Control\u003c\/p\u003e\n\u003ch3\u003eOutput\u003c\/h3\u003e\n\u003ch4\u003eBalanced Circuit Output\u003c\/h4\u003e\n\u003cp\u003eXLR3 Balanced Socket\u003c\/p\u003e\n\u003ch4\u003eUnbalanced Circuit Output\u003c\/h4\u003e\n\u003cp\u003eRCA*2\u003c\/p\u003e\n\u003ch4\u003eSubwoofer Output\u003c\/h4\u003e\n\u003cp\u003eRCA*2\u003c\/p\u003e\n\u003ch4\u003eBalanced Headphone Output\u003c\/h4\u003e\n\u003cp\u003e4.4mm Socket ×1 + XLR4 Balanced Socket ×1\u003c\/p\u003e\n\u003ch4\u003eUnbalalced Headphone Output\u003c\/h4\u003e\n\u003cp\u003e6.35mm Socket\u003c\/p\u003e","brand":"Luxsin","offers":[{"title":"Default Title","offer_id":50080399163625,"sku":"X9 (US)","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/01.jpg?v=1769720482","url":"https:\/\/audio46.mom\/products\/luxsin-x9-fully-balanced-dac-headphone-amplifier","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}