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Audioengine D1 24 Bit DAC & Headphone Amplifier

Brand: Audioengine
Product Code: AUE-D1
Warranty: 3 Years
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D1 24-bit DAC/Headphone Amp

The D1 is a premium 24-bit DAC and headphone amplifier for your computer, TV, and more.

Enhance Your Sound

High Quality Audio

Perfect for providing high quality audio to speakers or headphones, the D1 is a premium 24-bit DAC and headphone amplifier for your computer, TV, and more. The D1 connects to your computer’s USB port or optical output without any software to download, making the D1 quick and easy to set up.

Audioengine D1

Why You'll Love It


  • High-performance DAC and headphone amp
  • USB and optical inputs
  • Stream bit-perfect 24/96 HD audio
  • Desktop or portable DAC
  • Mac or PC, no driver to install
Audioengine D1

Premium 24-Bit DAC

Digital to Analogue Converter

Audioengine D1 Premium 24-bit DAC (digital to analogue converter) allows you to bypass your computer’s soundcard or headphone output and send audio through USB or optical.

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.

D1 is the perfect digital interface between your computer and music system and will improve the sound of ALL your music.

Audioengine D1

Plug and Play

Always Ready to Go

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 from your TV, Apple TV, Blu-ray player or CD player. DirecTV and Comcast also have optical outputs for high-res audio.

Setup is easy and no special software, app, or driver is needed, making D1 a true plug-and-play digital audio solution.

Audioengine D1

Hear the Difference

Your Music Will Sound Better, Guaranteed.

The D1 reflects traditional Audioengine design and the audio fidelity is typical of Audioengine’s commitment to great sound at an affordable price. Even if you’re not an audio enthusiast we guarantee your music will sound better!

Audioengine D1

D1 Internal Converter

The D1 uses the AK4396 DAC, which is 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. The D1 can process digital audio at any bit depth up to 24-bits and any sample rate up to 192kHz.

D1 Headphone Amplifier

The D1 includes a headphone amp based on the TI OPA2134 low noise opamp. The high-performance headphone output was designed for a wide range of headphones and will satisfy even the most demanding headphone enthusiasts.

D1 Power

The D1 is powered directly from the USB bus and power is passed through two stages of regulation to ensure no USB bus power variations affect the audio quality.

D1 Volume Control

Volume is controlled directly from the D1 front panel via the digitally-controlled analogue potentiometer.

Key Features

  • High-performance headphone amp
  • USB audio input
  • Optical audio input
  • Analogue audio output
  • Plug & play

Included Accessories

  • USB cable, 2ft
  • Setup guide
  • Microfibre bag
General Specifications
DAC type USB and optical
Inputs USB audio, SPDIF optical
D/A converter AKM4396
USB transfer mode Asynchronous dual clock
USB controller TI1020B
USB device class Type 1.1 or above
Input bit depth 16 bit, 24 bit
Input sample rate (USB) 32kHz-96kHz native playback, 188.2kHz & 192kHz re-sampled to 96kHz
Input sample rate (optical) 32kHz-192kHz native playback
Outputs Analogue RCA L/R stereo, analogue 3.5mm mini-jack stereo
Full-scale output level 2.0V RMS
Output impedance 2 ohms
Recommended headphone impedance range 10 ohms to 10K ohms
Headphone amplifier OPA2134
Optical receiver CS8416
Frequency response 10Hz-25KHz (+/- 0.5dB)
SNR (DC to 20 kHz) >110dB
THD+N (1kHz FS 96kS/s) <0.0025%
Crosstalk -85dB
Input bit depth 16 bit, 24 bit
Power requirement USB 5V DC, 200mA
USB power filtering 2-stage redundant regulation
Product dimensions 89 mm x 95 mm x 25 mm / 3.5" x 3.75" x 1"
Shipping weight 1.0 lbs (0.5 kg)
Operating temperature 32 to 95 degrees F
Non-operating temperature -4 to 113 degrees F
Relative humidity 5% to 95% non-condensing
Audioengine D1
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