Introduction

Douk Audio U8 is not only a multi-function DAC with many kinds of digital inputs but also a balanced preamp and headphone amp, adopting unique design and high-end chip architecture to achieve much better sound quality with lower price than the similar products in the market.

Features

• Multifunction U8 : with USB/ Bluetooth/ Optical/ Coaxial/ IIS 5 kinds of digital inputs, can satisfy most home digital audio device demands, compatible with phone, tablet, computer, digital player etc. Besides stereo RCA and balanced XLR outputs, also adds single-ended (3.5mm) and balanced (XLR / 4.4mm) headphone outputs, HiFi music can be easily enjoyed day and night. 

• High-end chips are used and unique structure are adopted:

XMOS XU208 USB chip with ultra-high decoding ability, supporting 32Bit/PCM 384KHz and DSD256 format playback, IIS input even support 768KHz and DSD512.

Dual ESS9038Q2M decoding chip in parallel for both channel, achieve 0.0007% ultra-low distortion and 118dB high SNR, greatly improve the sound quality for preamp / amplifier / speakers. 

QCC5125 Bluetooth chip, supporting ACC/SBC/APTX/APTX-LL/APTX-HD/LDAC, 24bit/96Khz lossless transmission can be achieved to reproduce high-quality music.

• Considerate design details for convenient use: with 7 types of filter modes to select and enjoy different sound styles. OLED display screen to show all parameters at real-time, equipped with remote control to adjust all settings from a distance.

• Proper size and attractive appearance: both compact and powerful, customized moulding aluminum alloy chassis and special big knob on the top panel looks pure and elegant, amazing combinatino of waved pattern on the left and acrylic board on the right, match perfectly with your home / studio / office desktop audio system.

Warm tips:

1. Windows system needs install driver, please contact us for it when you receive U8.
2. USB input supports OTG function, while Android system needs OTG cable and IOS system needs large current camera kit.
3. All output channels can output at the same time.
4. For safer and faster delivery, the remote control doesn't include battery (CR2032 3V), please prepare it by yourself.  

Parameters

• Audio input: Bluetooth / USB / IIS / Coaxial / Optical
  
• Audio output: stereo RCA / balanced XLR / 3.5mm headphone jack / 4-core XLR headphone jack / 4.4mm XLR headphone jack
  
• Formats and sampling rate supported:
  IIS input：PCM 44.1K-384K/32bit DSD64-DSD512 native
  Coaxial input:PCM 44.1K-192K/24bit DSD64 DOP
  Optical input:  PCM 44.1K-192K/24bit DSD64 DOP
  USB input：PCM  44.1K-384K/32bit DSD64-DSD256 native
  Bluetooth： APTX-HD/ LDAC/ APTX-LL/ APTX-L/ AAC/ SBC
  
• Working voltage: DC 5V/2A
  
• Dimensions(W*D*H): 159*90*37mm / 6.26*3.54*1.46in
  
• Package dimensions(W*D*H): 258*214*60 / 10.16*8.43*2.36in
  
• Net weight: 634g / 1.40lb
  
• Package weight: 1.1kg / 2.43lb
  

Packing List

• 1*U8 DAC
  
• 1*USB Cable
  
• 1*Bluetooth Antenna
  
• 1*Power Adapter
  
• 1*Remote Control(Without batteries)
• 1*CD Driver