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Audioengine D1 DAC, Premium 24 bit USB and Optical DAC


Audioengine D1 Premium 24-Bit DAC

Audioengine D1 Premium 24-Bit DAC (digital-to-analog converter) 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.

The D1 accepts inputs from both USB and optical and has 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
D1 will process digital audio at any bit depth up to 24 bits and any sample rate to 192KHz. With it's 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!

D1 DAC Features:
Desktop or portable digital-to-analog convertor
Mac or PC plug-and-play, no drivers to install
High-performance headphone amp included
USB and optical inputs
USB-powered, no separate power supply needed
Stream bit-perfect HD audio with low jitter
Based on high-performance AK4396 DAC

Works With:
Any computer (Mac or PC)
Apple TV or any product with optical outputs
Powered speakers
Any audio system with mini-jack or RCA inputs

What's in the box





  • (1) D1 DAC
  • (1) USB cable, 2ft (0.6m)
  • (1) Microfiber product bag
  • (1) Setup guide
  • (1) Product line brochure


D1 Technical Specifications

DAC type
Dual Mode USB and Optical (SPDIF)

USB/Optical (SPDIF)

RCA stereo/3.5mm headphone

D/A converter

Optical receiver

USB controller

Type 1.1 or above

Full-scale output
2.0V RMS (RCA and Headphone)

Output impedance
47 ohms RCA, 10 ohms headphone

Power source

Power requirements

USB power filtering
2-stage redundant regulation




Frequency response
10Hz - 25KHz +/- 0.5db

Input bit depth
up to 24 bits

Input data rate
up to 192KS/s (optical), 96KS/s (USB)

Product dimensions

Shipping weight
1.0lbs (0.5kg)


    Operating Temperature: 32 to 95 degrees F
    Non-operating Temp: -4 to 113 degrees F
    Relative Humidity: 5% to 95% non-condensing

Included accessories

    USB cable, 2ft
    Setup Guide
    Microfiber bag

The D1 utilizes the TI1020B USB controller, widely recognized as a standard for higher-end USB audio products. The D1 is powered directly from the USB bus and USB power is passed through two stages of regulation to ensure high stability and low noise.

The D1 uses the AK4396 DAC, well regarded for its low noise and high fidelity. Due to the high signal-to-noise specs of the AK4396 and the added benefit of double redundancy power source conversion and filtering, the D1 presents impressive low noise and low distortion characteristics.

D1 Headphone
The D1 includes a headphone amp based on the TI NE5532 low noise opamp. This headphone amp is able to provide low-impedance, high-fidelity audio to a wide range of headphones and supports headphones with impedance as low as 20 ohms.


Audioengine D1 DAC

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