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- 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.
- 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
- LINE Output Parameters
RCA line out
Distortion: 0.0007
S/N ratio（A-wt) 1KHz: 122dB
Dynamic range（A-wt) 1KHz: 122dB
Frequency response: 20Hz-20KHz（±0.1dB) / 20Hz-40KHz（±0.3dB)
Audio output level: 2V RMS
Stereo crosstalk: -110 dB
Stereo level error: 0.1dB
Output internal resistance: 33Ω
XLR line out
Distortion: 0.0007
S/N ratio（A-wt) 1KHz: 122dB
Dynamic range（A-wt) 1KHz: 122dB
Frequency response: 20Hz-20KHz（±0.1dB) / 20Hz-40KHz（±0.3dB)
Audio output level: 3.95V RMS
Stereo crosstalk: -110 dB
Stereo level error: 0.1dB
Output internal resistance: 66Ω - Headphone Output Jack
3.5mm headphone jack
Distortion: 0.002 @32Ω 100mW
Max output power: 125mW@32Ω
S/N ratio（A-wt) 1KHz:120dB
Dynamic range（A-wt) 1KHz:120dB
Frequency response: 20Hz-20KHz(±0.1dB) 20Hz-40KHz(±0.3dB)
Audio output amplitude: 5.3V-PP
Stereo crosstalk: -90 dB
Output internal resistance: 10Ω
Matched headphone impedance: 16-150 Ω
4.4 XLR headphone jack
Distortion: 0.002 @32Ω 100mW
Max output power:150mW@300Ω
S/N ratio（A-wt) 1KHz:120dB
Dynamic range（A-wt) 1KHz:120dB
Frequency response: 20Hz-20KHz(±0.1dB) 20Hz-40KHz(±0.3dB)
Audio output amplitude: 10.7V-PP
Stereo crosstalk: -90 dB
Output internal resistance: 20Ω
Matched headphone impedance: 16-300 Ω
4-core XLR headphone jack
Distortion: 0.002 @32Ω 100mW
Max output power: 150mW@300Ω
S/N ratio（A-wt) 1KHz: 120dB
Dynamic range（A-wt) 1KHz:120dB
Frequency response: 20Hz-20KHz(±0.1dB) 20Hz-40KHz(±0.3dB)
Audio output amplitude: 10.7V-PP
Stereo crosstalk: -90 dB
Output internal resistance: 20Ω
Matched headphone impedance: 16-300 Ω
- U8 DAC ×1
- USB Cable ×1
- Bluetooth Antenna ×1
- Power Adapter ×1
- Remote Control (Without batteries) ×1
- CD Driver ×1
Customer Reviews
For those of us on this side of the pond who appreciate a decent bit of kit without having to remortgage the gaff, the Douk Audio U8 DAC has certainly been causing a bit of a stir. You see, the Chinese audio market has really upped its game in recent years, delivering some cracking performance for what feels like peanuts compared to some of the more established brands. The U8 is a prime example of this trend.
First off, the build quality. It's surprisingly solid, not flimsy or plasticky as you might expect from a budget offering. The chassis feels robust, and the prominent knob on top (for volume, naturally) has a satisfying weight to it. It's not going to win any awards for avant-garde design, but it's understated and wouldn't look out of place on most hi-fi racks or desktop setups. No fancy bells and whistles, just a sensible, practical design that gets the job done.
Now, onto the important bit: the sound. Equipped with dual ESS9038Q2M DAC chips and an XMOS XU208 USB chip, the U8 punches well above its weight. What you get is a remarkably clean and detailed sound. The separation of instruments is impressive, and there's a good sense of space to the soundstage. Vocals come through with clarity, and there's a decent amount of punch in the bass without it becoming overbearing or muddy – none of that boomy, uncontrolled stuff that can plague cheaper DACs.
It handles various formats with aplomb, from your bog-standard PCM right up to high-resolution DSD files, which is a real bonus for the audiophiles amongst us. The inclusion of multiple inputs (USB, Bluetooth, Optical, Coaxial, and even IIS) means it's a versatile piece of gear, ready to connect to pretty much anything you've got lying around, be it a PC, a streamer, or even your phone. The Bluetooth connectivity, especially with LDAC support, is a welcome touch for those who prefer wireless convenience without sacrificing too much quality.
The U8 also doubles up as a rather competent headphone amplifier, and for the price, it's genuinely impressive. It's got enough grunt to drive most headphones with ease, even some of the more demanding planar magnetics. The balanced XLR outputs for both line out and headphones are a nice touch, offering improved signal integrity for those with compatible equipment.
The Verdict:
In a nutshell, the Douk Audio U8 DAC is a bit of a cracking bargain. It's not perfect – you might find some of the top-tier, considerably more expensive DACs offer an even finer layer of polish or a wider soundstage, but at this price point, the U8 is simply superb value for money. It delivers a neutral, transparent sound that allows your music to shine through, without adding any unwanted colouration.
If you're looking to significantly upgrade your digital audio experience without breaking the bank, and you appreciate solid performance over flashy branding, the Douk Audio U8 is definitely worth a punt. It's the sort of product that makes you wonder why you'd ever pay through the nose for a DAC again. Absolutely brilliant.
