{"product_id":"aiyima-d20-dual-chip-dac-es9039q2m-ak4493s-bluetooth-5-1-arc-usb-coaxial-dual-optical-xu316-fully-balanced-hifi-audio-decoder","title":"AIYIMA D20 Dual-Chip DAC ES9039Q2M \u0026 AK4493S Bluetooth 5.1 ARC USB Coaxial Dual Optical XU316 Fully Balanced HiFi Audio Decoder","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAIYIMA Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAIYIMA D20\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBluetooth\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAiyima\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCustomized high-precision active bimorph oscillator\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFor independent configuration of 44.1kHz\/48kHz multiples\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eD\/A Converter\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eESS9039Q2M+AK4493S\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDSD Sampling Frequencies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e22.5792 MHz (DSD512)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDigital full interface + support for ARC + multi-channel analog output\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBluetooth \/ ARC \/ Fiber optic \/ USB \/ Coaxial\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eElectrified\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInputs\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOptical (SPDIF)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMetal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAIYIMA D20\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOne-click switch between UAC1.0 and UAC2.0 modes\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePerfectly compatible with Switch, PS5 and PC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutputs\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBalanced Out,RCA,XLR\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePCM Sampling Frequencies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e768 kHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePCM Word Length\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e32-bit\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQualcomm QCC5125\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eThe flagship-level 5.1 chip supports LDAC and its connection performance is comparable to that of wired connections.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSwitchable between two flagship styles \/ two different styles\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eESS ES9039Q2M + AKM AK4493S\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTrue balanced circuit\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFrom input to fully balanced output, the noise reduction is excellent.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePortable\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUSB  Compatibility\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWindows 10,osx,Android,iOS\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWIFI\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eXMOS XU316\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eThe new generation of 16-core high-performance chip, with the sampling rate capable of supporting up to PCM 768kHz DSD 512\u003c\/span\u003e\u003c\/p\u003e\u003ch1 style=\"text-align:center\" align=\"center\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se8d13fb938704923bc79177a5e5cd19a7.png\" slate-data-type=\"image\"\u003e\u003c\/h1\u003e\u003ch1 style=\"text-align:center\" align=\"center\"\u003e\n\u003ckse:widget data-widget-type=\"customText\" id=\"1005000030707202\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eD20 - Fully Balanced Dual-Chip High-End Decoder\u003c\/span\u003e\n\u003c\/h1\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eThe concluding work of the 20 series, 10+10, the 10-year milestone set (T20 + A20 + D20), is not only a summary of the first ten years but also the beginning of the next ten years.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:26px;font-family:arial, helvetica, sans-serif\"\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e1. Flagship Dual-Chip DAC Core\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003ePowered by ES9039Q2M + AK4493S, supports up to 768kHz\/32bit and DSD512. One-click switch between high-resolution clarity and warm, vocal-friendly tone.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e2. XMOS XU316 \u0026amp; Ultra-Low Jitter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eXMOS XU316 16-core processor with high-quality crystal oscillators drastically reduces jitter for precise, distortion-free audio.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e3. Swap Op-Amps, Change Your Sound\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e4 user-replaceable op-amps let you easily tailor the sound to your preference — bright and detailed, or warm and smooth.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e4. 14 Hardware Filters for Fine Tuning\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e14 built-in filters adapted to both ESS and AKM algorithms let you fine-tune between razor-sharp clarity and analog warmth.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e5. QCC5125 Bluetooth 5.1 with LDAC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eQualcomm QCC5125 with LDAC (990kbps, 96kHz\/24bit) delivers near-wired wireless sound. (May need manual activation on some phones.)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e6. All Outputs, 6 Inputs, Total Connectivity\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eFull interfaces: Bluetooth, ARC, USB, Coaxial, Dual Optical — seamless switching between TV, PC, or CD player. Outputs: RCA1, RCA2, XLR, and All-Output mode.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e7. Intelligent Cross-border\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e20-min auto standby \/ 2-hour auto power-off, 5-level brightness with screen-off timer, and full-function IR remote for volume and input control — all from your sofa.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:26px;font-family:arial, helvetica, sans-serif\"\u003eProduct Specification:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Model:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e D20\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eChipset:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ES9039Q2M + AK4493S + XMOS XU316 + QCC5125\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Sampling Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUSB: PCM 768kHz\/32bit DSD512 DSD (DOP) 256\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOPT\/COAX: PCM 192kHz\/24bit DSD (DOP) 64\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eARC: PCM 192kHz\/24bit\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInputs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e USB, Bluetooth, Coaxial, Optical ×2, ARC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOutputs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCA1, RCA2, XLR\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSignal-to-Noise Ratio (SNR):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ≥124dB\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSINAD:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ≥113dB\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTotal Harmonic Distortion + Noise (THD+N):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u0026lt;0.0002%\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDynamic Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ≥120dB\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFrequency Response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20-20kHz (±0.2dB)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eNoise Floor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ≤2μV\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Output Level:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e RCA1: 2.0Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRCA2: 2.0Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eXLR: 4.0Vrms\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eUSB Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.0\/2.0\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSupported Operating Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Windows 10 \/ 11 \/ Mac \/ Linux \/ Android \/ iOS\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth Version:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5.1\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBluetooth Audio Codecs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SBC \/ AAC \/ aptX \/ aptX HD \/ aptX Adaptive \/ LDAC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOperating Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DC 12V (5.5×2.1mm)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 190\u003c\/span\u003e*\u003cspan\u003e142\u003c\/span\u003e*\u003cspan\u003e46mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePackage Dimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 296\u003c\/span\u003e*\u003cspan\u003e228\u003c\/span\u003e*\u003cspan\u003e77mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eNet Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 950g\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eGross Weight (with packaging):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1330g\u003c\/span\u003e\u003c\/p\u003e\u003cp style='font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(15, 17, 21);background-color:rgb(255, 255, 255);margin:16px 0px;margin-bottom:16px;margin-top:16px;margin-left:0px;margin-right:0px' class=\"ds-markdown-paragraph\" align=\"start\"\u003e\u003cspan\u003e*AIYIMA reserves the right to make improvements that may result in specification or feature changes without prior notice.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:26px;font-family:arial, helvetica, sans-serif\"\u003ePackage Include:\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003eAIYIMA D20 x1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003e12V Trigger Cable ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003eUSB-A\/C to USB-C Cable ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003eOptical Cable ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003eRemote Control ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003eUser Manual ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:10.5pt;font-family:arial, helvetica, sans-serif\"\u003ePower Adapter ×1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(255, 255, 255);color:rgb(15, 17, 21);font-size:15px;font-family:quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Open Sans\", \"Helvetica Neue\", sans-serif'\u003e\u003cstrong\u003e\u003cspan\u003eNotes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='background-color:rgb(252, 220, 0);color:rgb(244, 78, 59);font-size:14px;font-family:\"Color Emoji\", system-ui, \"PingFang SC\", PingFangSC-Regular, \"Microsoft YaHei\", \"Hiragino Sans GB\", \"Heiti SC\", \"WenQuanYi Micro Hei\", Arial, Helvetica, sans-serif, \"Apple Braille\", \"Color Emoji Fix\"'\u003e* ARC requires TV support and PCM output setting. Due to protocol differences among TV brands, minor compatibility issues may occur with certain models.In ARC mode, TV volume control is unavailable. Please adjust the volume using the D20 knob or its remote.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:disc;box-sizing:border-box' align=\"start\"\u003e\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_html\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detailmodule_html\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cstrong\u003e\u003cspan style='font-size:22px;font-family:\"times new roman\", times, serif'\u003eFAQ – Knob Operation Guide\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why doesn't a short press power off the D20?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: On the home screen, a short press returns to the Home Page by design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How do I power off the D20?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Press and hold the volume knob for more than 2 seconds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: What does a short press do in the Settings menu?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: It acts as Confirm\/Select.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How do I go back to the previous menu?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Double-click the volume knob.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\n\u003cbr\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why does the D20 mute when adjusting volume?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: A quick press during adjustment may trigger the Mute\/Unmute function.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How should I adjust the volume correctly?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Rotate the knob smoothly and avoid pressing it while turning.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Does the D20 protect against sudden loud volume?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Yes. Built-in volume memory and startup protection help prevent volume spikes.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Does double-click have other functions?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: On the home screen, double-click toggles Mute\/Unmute. In menus, double-click returns to the previous page.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why can't my phone find the D20 via Bluetooth?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Make sure the D20 input source is switched to BT (Bluetooth) mode.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How do I clear Bluetooth pairing records?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: In BT mode, press and hold the Back button on the remote for 2 seconds.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Which UAC mode should I use when connecting a PS5 or Nintendo Switch?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Always select UAC 1.0 mode. PS5 and Nintendo Switch do not support standard UAC 2.0 high-speed USB audio drivers. Using UAC 2.0 may result in no sound or severe audio distortion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why does the USB driver installation fail on Windows?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Windows security software or outdated system certificates may block the driver installation.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How can I resolve driver installation being blocked?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Temporarily disable antivirus software, then run the driver installer as Administrator.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why is the device not recognized after a Windows update?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: System updates may affect USB audio drivers. Unplug the USB cable, reinstall the driver, and reconnect the device.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: What should I do if the USB connection is not detected?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Try a rear-panel USB 3.0\/3.1 port and use a high-quality USB data cable.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why is the maximum sample rate in Windows limited to 24Bit\/192kHz?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Windows shared audio mode limits the selectable sample rate. This is a normal system restriction.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How can I achieve PCM 768kHz and Native DSD512 playback?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Use professional audio players such as Foobar2000 or Audirvana with the official ASIO driver and Native DSD support.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why do I hear loud white noise when playing DSD files?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Ensure DSD is transmitted in DoP\/Native DSD mode and keep both system and player volume at 100%.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why does DSD playback sound about 3dB lower than PCM?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: This is normal and follows the SACD\/DSD recording standard to prevent digital clipping.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why doesn't my phone or tablet output audio through the D20 via OTG?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Make sure OTG is enabled in your device settings before connecting the D20.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: What audio output format should I select on my TV?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: Set the TV's digital audio output to PCM Stereo for proper decoding.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why should I turn off the power amplifier before powering off the D20?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: This helps prevent power-off transients from being amplified and protects your speakers.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: How should I adjust volume when switching from RCA to XLR?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: XLR output is 4Vrms, while RCA is 2Vrms. Reduce the volume before switching to XLR.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Why does the VU meter remain active at low volume levels?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: The D20 uses an adaptive display algorithm to maintain smooth and responsive VU meter movement.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: Do I need to restart the device when switching between ES9039Q2M and AK4493SEQ?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: No. The D20 supports real-time DAC switching without restarting or powering off.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eQ: What is BYPASS mode?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\n\u003cspan style='font-size:20px;font-family:\"times new roman\", times, serif'\u003eA: BYPASS mode bypasses the preamp and volume control stages, sending the DAC signal directly to the power amplifier. Volume control must then be adjusted on the amplifier.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9a59fa9f12494ebeac66df7fa2ac11c3z.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S0552fc20b54b49df988cd19974702747n.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbd5a116af2be4dbd809be0748944a511Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8e97fcbdeecd47f48cf1bef236ff938eA.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6c3a58fe8cb84c92a01964627ad82ff1X.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se654693e316845bbbf41a366397ff9528.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5a019ed3b2674d5e8f8a4f9139f4075d7.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4caf8ea786bd42fbaaa53314d14f0e93X.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3389c726cc0f4f54843e60e6913feff1Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S547e6f3dafba42cb97b609c57827edcaY.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S95eec8b0fbae48a4913464f3042eefe0P.jpg\" slate-data-type=\"image\"\u003e\u003cimg 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