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30-Day Return
2-Year Warranty
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Douk Audio U2 XMOS XU208 USB to Coaxial/Optical Converter Digital Interface Audio Adapter DSD
- Lossless USB to S/PDIF Converter: Convert USB signals from PC, laptops, phones, tablets, and Raspberry Pi etc. to optical/coaxial outputs simultaneously with zero loss and no latency. Ideal for DACs, digital amplifiers, or home theater systems that only support S/PDIF input.
- XMOS XU316 Chipset for Hi-Res Audio: U2 supports up to 24bit/192kHz PCM and DSD64 (DOP) playback. Enjoy lower jitter, cleaner signals, and rich audio detail—perfect for high-end music systems and audiophiles.
- Plug-and-Play Simplicity: No driver needed for PCM playback on Windows 10+ and macOS. Includes a dual-head Type-A/Type-C to Type-C cable for easy connection, fully OTG-ready for phones and instantly usable.
- Real-Time Format Indicators: The built-in sampling rate indicator clearly displays PCM/DSD status and sampling rate, letting you instantly verify your audio format for accurate, bit-perfect playback and peace of mind.
- Compact Design for Seamless Integration: Despite its powerful digital processing, the U2 features a lightweight and space-saving design. Ideal for HiFi desktop audio systems where space and performance both matter.
- Brand: Douk Audio
- Model: U2
- Audio input: USB Type-C
- Audio output: Coaxial/Optical
- USB chip: XMOS XU316
- Max. sampling rate supported:
PCM：44.1kHz-192kHz/16Bit-24Bit
DSD：DOP DSD64 - Operation systems PC-USB supported:
W10/W11/Mac OS/Android/iOS
Win7/Win8/Linux (Cannot guarantee 100% compatible) - THD+N: 0.000008%
- Working voltage: DC 5V
- Dimensions (W*D*H): 40*52*20mm / 1.57*2.05*0.79in
- Package dimensions (W*D*H): 170*120*50mm / 6.69*4.72*1.97in
- Net weight: 45g / 0.1lb
- Package weight: 170g / 0.37lb
System Driver Requirements
- For Windows 10 and Above: Driver-free for PCM; Requires driver for DSD
- For MacOS: Driver-free
- For Win 7/8: Requires driver for PCM/DSD
- For Android: Driver-free
- For iOS: Driver-free
- For Linux: Driver-free
- U2 Digital Interface ×1
- Optical Cable ×1
- USB-C to USB-A/USB-C Cable ×1
- User Manual ×1
Warm tips
- The U2 supports OTG and comes with an OTG-compatible USB cable for direct connection to OTG-enabled phones. For iPhones or iPads with a Lightning port, a high-current camera kit is required. Newer models with a Type-C port can use the included cable directly.
- The U2 only supports 2.0 channel stereo audio. Multichannel formats such as 5.1, 7.1, or Dolby formats are not supported.
- Please install the required driver and files from the included USB drive, and follow the instructions or video guide to set up your player properly.