---
product_id: 313685673
title: "Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256"
brand: "douk audio"
price: "€ 88.85"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.ie/products/313685673-douk-audio-u2-pro-xmos-xu208-digital-interface-usb-to
store_origin: IE
region: Ireland
---

# Supports PCM up to 384kHz & DSD256 Compact 74x89x21mm sleek design XMOS XU208 chip, 1000MIPS power Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256

**Brand:** douk audio
**Price:** € 88.85
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your sound game with pro-level precision and style!

## Quick Answers

- **What is this?** Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 by douk audio
- **How much does it cost?** € 88.85 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/313685673-douk-audio-u2-pro-xmos-xu208-digital-interface-usb-to)

## Best For

- douk audio enthusiasts

## Why This Product

- Trusted douk audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hi-Res Audio Mastery:** Seamlessly supports PCM up to 384kHz and native DSD256 for audiophile-grade sound clarity.
- • **Versatile Multi-Output:** Simultaneous USB, TOSLINK optical, coaxial & HDMI IIS outputs to power your entire audio setup.
- • **Sleek, Minimalist Design:** Compact black aluminum alloy chassis with intuitive PCM/DSD indicators—desktop-ready and stylish.
- • **Pro-grade XMOS XU208 chip:** Experience ultra-stable, high-speed 1000MIPS processing for flawless audio conversion.
- • **Plug & Play Power Flexibility:** USB input doubles as power source or use external 5V DC for on-the-go HiFi music anywhere.

## Overview

The Douk Audio U2 PRO is a compact, high-performance digital audio interface featuring the advanced XMOS XU208 chip with 1000MIPS processing power. It supports ultra-high-resolution PCM audio up to 384kHz and native DSD256 formats, delivering pristine sound quality. Equipped with simultaneous USB, TOSLINK optical, coaxial, and HDMI IIS outputs, it integrates effortlessly with DACs, preamps, and amplifiers. Its dual power input options and sleek aluminum design make it the perfect desktop companion for discerning audiophiles seeking portable, professional-grade audio conversion.

## Description

Warm Tips 1. 12S output supports all sampling rate while S/PDIF supports 192KHz and DOP DSD64 at highest. 2. The pins of 12S is suitable for the HDMI interface of PS decoders. 3. Please set the volume of operation system to maximum(100) if you want to listen to DSD music. Parameters Audio input: USB Audio output: Toslink Optical / Coaxial / HDMI IIS USB chip: XMOS XU208 Supported sampling rate: PCM: 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz, 384KHz DSD: 2.8MHz(DSD64)-DOP, native / 5.6 MHz (DSD128) -DOP, native / 11.2 MHz (DSD256) , native Bit width(highest): 32 bit (I2S output) / 24 bit (S/PDIF), compatible with 16bit Working current: 130mA Dimensions(W*D*H): 74*89*21mm / 2.91*3.50*0.83in Net weight:112g/ 0.25lb Package weight: 280g / 0.62lb System Compatibility 1. 32/64 bit Win 7, Win 8 and Win 10 systems need to install driver, please enter website: https://drive.google.com/drive/folders/1ZjWBDD5Te-a8O64fCstuOKIwGRo766wD?usp=sharing to download and install. 2. Native ac OS 10.6 and above, can use the system's own driver. And Native Linux with UAC2 compliant kernel also can use the system's own driver.(Has tested on Ubuntu and Daphile systems, based on INTEL X86) 3. In general, USB input default supports Android 5.0 system while Android 4.2 and above need phones with OTG function. Recommend to use Hiby player to play DSD music. OTG cable (for Android system) or camera kit (for IOS system) need to prepare by youself. Packing List 1*U2 PRO Converter 1*USB Cable 1*USB to DC Cable 1*Driver CD

Review: Hasta ahora a cumplido con mis expectativas muy fácil de usar, tardo un poco en llegar pero nada fuera de lo normal, lo recomiendo
Review: 思った以上に音質が悪いと感じたので、他の製品にした。

## Features

- With micro USB input and TOSLINK optical / coaxial /HDMI 12S output(can output at the same time), can work well with DAC, preamp, amplifier or speaker. Adopting XMOS XU208 chip solution, with 1000MIPS random access memory much higher than U8 (500MIPS), and more stable than Italian Amanero solution and coaxial output supports DSD DOP.
- Output interface with DSD ON function can match the decoder that needs DSD ON signal to decode DSD songs, supporting 44.1K-384KHz/16-32 Bit sampling rate and DOP DSD256 at highest, better signal process brings higher sound quality.
- USB interface can be used as signal input and power input at the same time, and with external DC 5V input (with priority) that can be powered by phone charger or power bank, easy to enjoy HiFi music any time and any where.
- Mini size with exquisite design, with PCM and DSD indicator easy to show the output format, black aluminum alloy cases look more cool and fashionable, very suitable for desktop audio device to use.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08HN3VSF8 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 166,160 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1,112 in Hi-Fi Amplifiers |
| Customer Reviews | 4.2 4.2 out of 5 stars (124) |
| Date First Available | 8 Sept. 2020 |
| Item Weight | 209 g |
| Item model number | DZ081 |
| Manufacturer | Douk Audio |
| Part number | DZ081 |
| Plug profile | Coaxial,Plug Mount |
| Product Dimensions | 8.89 x 7.39 x 0.1 cm; 209 g |

## Product Details

- **Brand:** Douk Audio
- **Maximum supply voltage:** 5.25 Volts
- **Minimum supply voltage:** 5 Volts (DC)
- **Mounting type:** Coaxial,Plug Mount
- **Number of pins:** 31

## Images

![Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 - Image 1](https://m.media-amazon.com/images/I/31mJsLDnZlL.jpg)
![Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 - Image 2](https://m.media-amazon.com/images/I/41vI33WTR9L.jpg)
![Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 - Image 3](https://m.media-amazon.com/images/I/51DeCwsKVJL.jpg)
![Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 - Image 4](https://m.media-amazon.com/images/I/51U-NGUKMPL.jpg)
![Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256 - Image 5](https://m.media-amazon.com/images/I/51VozgLOcmL.jpg)

## Questions & Answers

**Q: Where can I purchase the 5V 2A power supply for this unit, and which one would owners recommend?**
A: If you require a compact/portable power supply for the USB interface, you can use a 5V rechargeable power bank such as this connected via the USB power cable included with the USB interface: https://www.amazon.com/gp/product/B07YBTYX9D/ref=ox_sc_act_title_1?smid=A2XWJAAZM0RYQD&psc=1

**Q: What is the I2s pinout configuration on this?**
A: Hello. Please refer to our last product image. It shows clearly.

**Q: does it support multichannel pcm/asio/dsd?**
A: Hello. It can accept multi-channel input but can only output 2-channel.

**Q: Does the douk u2 audio pro output 384k on spdif if the usb input is 384k? the douk site is vague, but does seem to say that spdif out limit is 192k**
A: Hello. Only the I2S output supports all sampling rate while S/PDIF supports 192KHz and DOP DSD64 at highest

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by Ó***Z on 10 June 2022*

Hasta ahora a cumplido con mis expectativas muy fácil de usar, tardo un poco en llegar pero nada fuera de lo normal, lo recomiendo

### ⭐ Review
*by M***I on 3 April 2025*

思った以上に音質が悪いと感じたので、他の製品にした。

### ⭐⭐⭐⭐⭐ Review
*by B***L on 3 July 2025*

Very nice product and affordable. However, if somebody is looking for best quality, he should use the SPDI coaxial digital cable and not fiber optic, a mistake many people do. I am using Coaxial good quality cable and I am very happy with it.

## Frequently Bought Together

- Douk Audio U2 PRO XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical/HDMI IIS Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD256
- TOSLINK cable, optical audio cable – 1.64 feet short fiber optic cable for soundbars (TOSLINK to TOSLINK, digital S/PDIF cable, stereo systems/amplifiers/amps, home cinema, Xbox One/PS5) – CableDirect

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-25*