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Audioengine D1 24-Bit DAC/Headphone amp

Price: $249.0


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  • Products Name: Audioengine D1 24-Bit DAC/Headphone amp
  • Model#: 90021970
  • Brand: Audioengine
  • Last Update:
  • Net Weight: 1.000Kg
  • Warranty: 12 Months


Enhance the sound of your music.
Perfect for providing a higher quality audio signal to speakers or headphones, the D1 is a high quality 24-bit DAC and headphone amplifier for your computer, smartphone, TV, and more. The D1 connects to your device™s USB port or Optical output without special software to download, making the D1 quick and easy to set up.

Official Product Link Open Link
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


DAC type
USB and Optical

USB audio
SPDIF Optical

D/A converter

USB transfer mode
Asynchronous dual clock

USB controller

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

Analog RCA L/R stereo
Analog 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

Optical receiver

Frequency response
10Hz-25KHz (+/- 0.5dB)

(DC to 20 kHz) >110dB

(1kHz FS 96kS/s) <0.0025%


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

Power requirement
USB 5V DC, 200mA

USB power filtering
2-stage redundant regulation

Product dimensions
3.5—3.75—1³ (89x95x25mm)

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

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 analog potentiometer.

* Specifications are subject to change without notice.
* Specifications may vary.
* The product picture(s) is only for your reference, it may differ from the actual product.

Audioengine D1 24-Bit DAC/Headphone amp

Audioengine D1 24-Bit DAC/Headphone amp