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"Scary-Good Performance from a Piddly Little Box"
Audioengine's D1 24-Bit DAC allows you to bypass your computer's soundcard or headphone output and send audio through USB or optical. D1 is the perfect digital interface between your computer and music system and will improve the sound of all your music.
In his March 7, 2012 review for Playback, Steven Stone lauds the D1's "scary-good performance from a piddly little box… The Audioengine delivers a level of fidelity that only a couple of years ago was unthinkable for anything near its price."
"The D1 is one upgrade you're going to be able to immediately hear and appreciate," reports Clint DeBoer in his March 27, 2012 review for Audioholics.com.
"The Perfect Music Interface"
"The new D1 is the perfect music 'interface' between your computer and speakers or headphones," raves Steve Guttenberg in his CNET.com review for January 5, 2012. "Listening to Brubeck's live recordings over the A5+ speakers I was impressed with the degree of concert hall ambiance and spacious the D1 retrieved."
"The D1 is a fine performer with a well balanced and informative sound," notes England's What Hi-Fi? magazine. "It’s a refined sound without excess hardness, but with enough bite to satisfy."
"I would recommend feeding it anything and everything your music library and the big streaming service in the sky has to offer," suggests Michael Lavorgna in his January 24, 2012 review for AudioStream.com.
A Versatile Digital Performer
The D1 accepts inputs from both USB and digital optical and has analog outputs for any audio system or headphones. The D1 DAC is the perfect way to get great-sounding music not only from your computer but also from your TV, Apple TV, DVD/BluRay player, or CD player. And since it's powered by USB, D1 is also a high-quality portable computer headphone amplifier.
Designed for the Computer Audiophile
The D1 will process digital audio at any bit depth up to 24 bits and any sample rate to 192 kHz. With its high signal-to-noise ratio and low distortion, the D1 delivers sound quality generally heard only in more expensive DACs. The high-performance headphone output was designed for a wide range of headphones and will satisfy even the most demanding headphone enthusiasts.
Easy Setup
Setup is easy and no special software is needed, making D1 a true plug-and-play solution. The D1 outputs connect to any audio system or powered speakers, such as the Audioengine A5+ or A2. Power for the D1 is provided via the USB bus so there is no external power supply to connect.
See and Hear the Difference
Audioengine designers, with their attention to audio quality as well as visual aesthetics, have created a feast for both the eyes and ears. The rounded anodized aluminum case of the D1 reflects traditional Audioengine design and the audio fidelity is typical of Audioengine's commitment to great sound at an affordable price. The Audioengine D1 continues to close the gap between your computer music and home hi-fi and even if you're not an audio enthusiast we guarantee your music will sound better! | 
