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Features
  • 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.

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

Warm tips
1.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.
2.The U2 only supports 2.0 channel stereo audio. Multichannel formats such as 5.1, 7.1, or Dolby formats are not supported.
3.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.

Parameters
  • 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

Packing list
  • 1* U2 Digital Interface
  • 1* Optical Cable
  • 1* USB-C to USB-A/USB-C Cable
  • 1* User Manual

WE PROMISE YOU CAN GET THE ITEMS YOU PAID OR REFUND.

To USA: Send by e-package.
To other countries: Order more than $30, provide free tracking number. Order less than $30,customer can pay $2 to get a tracking number.

We located in the biggest electronic market in China--HQB(Shenzhen) ,Specialist in ICs over 10 years, we seek to establish long-term business relationships.

We appreciate positive feedback . we always try our best to service our customers . so if you have ant question ,PLEASE DON’T HESITATE TO CONTACT US IMMEDIATEDLY,
we are always here to offer help .

We prefer PayPal .For purchasing multiple items , please contact us for a combined invoice .

generally we would like to receive payment thin 48 hours if .

PLEASE BUY WITH CONFIDENCE
 
     We specialize in electronic components . ICs, Capacitors, Diodes, Resistors,LEDs,
     NEW , ORIGINAL parts . please buy with confidence .We offer NO-QUESTION-REFUND 
We provide airmail service with good package . The items will be shipped within the nest

2 business days after we received the payment . when you buy multiple items ,your shipping

cost will be combined with discount .