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D1 24-bit DAC/Headphone Amp (Refurbished)

$169 $135

Factory Refurbished

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.

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Product Description


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.

Versatile

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!

★★★★★ Support

Need help getting started with your new D1? Here are some resources that will help.

 

30-day audition

Listen to D1 for 30 days. Love it, or return it for a full refund.*
*30-day trial is only available for product purchased directly online from the Audioengine store

 

Features

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

Works with

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

What’s in the Box

What’s in the Box (Sender)

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

General specifications

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
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
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

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
3.5×3.75×1″ (89x95x25mm)

Shipping weight
1.0lbs (0.5kg)

Environmental
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.

Headfonia – D1 Review

“The D1 is pretty damn awesome. It’s got the same basic performance of a D3 plus way better connection options, not to mention a volume pot…”
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Home Theater Shack – D1 Review

“The D1 is a terrific sounding DAC, period.”
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Small Spaces Audio – D1 Review

“For under under $170 dollars the D1 is an excellent first DAC, especially for headphone users.”
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MyMac – D1 Review

“(D1) audio is crisp, immersive, and full-spectrum, beyond any prior sonic experience MyMac has evaluated.”
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In the Boombox – D1 Review

“…the sound quality is outstanding, bringing out virtually every nuance in Hi-Res tracks, even improving on MP3′s.”
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Overclock.net – D1 Review

“I can’t believe I wasn’t using a DAC before. If you have a nice computer and care about audio, you need this product.”
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truly gadgets – D1 Review

“With sleek looks and a polished form factor, it sits nicely on a desk and offers enough oomph to drive even power-hungry headphones.”
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highfidelityreview.com – D1 Review

“If there is anything that an engineer appreciates, it is good, quality execution and the Audioengine’s D1 DAC has it in spades.”
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WIRED – D1 Review

“Sweeter than the sound is the price — only $170. That’s peanuts for a DAC/amp combo of this quality. The compact, attractive design is just gravy.”
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Gizmodo – D1 Review

“For $170, you get the performance and features of a more expensive piece of equipment.”
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Custom PC Review – D1 Review

“Those looking for a portable DAC + amp combo will find the Audioengine D1 an excellent performer with tons of connectivity at a reasonable price.”
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CNET – D1 review

“The new D1 is the perfect music “interface” between your computer and speakers or headphones.”
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Everything USB – D1 Review

“Portable audio perfection”
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AudioStream – D1 Review

“I would recommend feeding it anything and everything your music library has to offer.”
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Playback – D1 Review

“More Than A DAC, It’s a Desktop Audio “Starter Kit””.
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Affordable Audio – D1 Review

“From the solid feel to the smooth edges along with the most important aspect, the sound output, the D1 is another winner from Audioengine.”
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Audioholics – D1 Review

“The D1 is one upgrade you’re going to be able to immediately hear and appreciate.”
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Connect Reviews – D1 Review

“The Audioengine D1 will put you on the road toward becoming more appreciative of your music or any sound coming from your computer.”
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What Hi-Fi – D1 Review

“The D1 is happy driving a wide range of headphones.”
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Hardforum – D1 Review

“If you are looking for a DAC/AMP solution that is portable , bus powered and sounds phenomenal than this is it.”
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The Gadgeteer – D1 Review

“The D1 is an addictive audio upgrade.”
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MacDirectory – D1 / A5+ Review

“I have to rate the D1 and A5+ as excellent values, particularly when compared to world-class brands like Bowers & Wilkins and Bang & Olufsen.”
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