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Audioengine D1
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!
30 Day Audition*
We feel we've created a product with the sound, looks, and overall quality of computer interfaces priced much higher. Purchase the Audioengine D1 DAC from our online store, try it out and if you're not completely satisfied, contact support and return the D1 in its original packaging in like-new, undamaged condition within 30 days of purchase and we'll give you a full refund of your purchase price.
*30-day trial is only available for product purchased directly online from the Audioengine store.
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)
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:
(1) D1 DAC
(1) USB cable, 2ft (0.6m)
(1) Microfiber product bag
(1) Setup guide
(1) Product line brochure
Audioengine D1 General Specifications
DAC type:
Dual Mode USB and Optical (SPDIF)
Inputs:
USB/Optical (SPDIF)
Outputs:
RCA stereo/3.5mm headphone
D/A converter:
AKM4396
Optical receiver:
CS8416
USB controller:
TI1020B
USB:
Type 1.1 or above
Full-scale output:
2.0V RMS (RCA and Headphone)
Output impedance:
47 ohms RCA, 10 ohms headphone
Power source:
USB 5V
Power requirements:
200mA
USB power filtering:
2-stage redundant regulation
SNR:
>110db
THD+N:
<0.002%
Crosstalk:
<-85db
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:
3.5x4x1"
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 USB
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.
D1 DAC
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.
FAQs:
What media player software and audio file formats are compatible with the D1 when using it with a computer?
When connected via USB with a computer, the D1 acts like a USB sound-card. Because of this, once it's set as your default playback device, it should work with any application on your computer playing audio, and with any file format the software supports.
The D1 pops and clicks during playback. How can I avoid this?
Try removing all other USB devices temporarily, and try each USB port on your computer one at a time to see which one works best in your setup. Audio over USB requires a lot of bandwidth, so for best results ensure your D1 is on a "High-Speed" bus and not a "Full-Speed" bus.
Are Audioengine DACs compatible with Linux?
Absolutely! Audioengine DACs are fully compatible with Ubuntu Linux, and should work on other *nix systems without any additional software or drivers
Can I use the D1 with my iPhone or iPad?
Sure, the best way to do this would be with a iDevice Dock with an optical out. It's important to note that in this configuration the D1 would still need USB power. An easy way to do this would be with a USB power adapter
I have the original Audioengine 5 (not the A5+), will the D1 / D2 DAC work with the inputs on that original model?
You can use Audioengine DACs with your original A5s, no problem. You
would simply use a standard RCA cable and the RCA to mini-jack adapter
that came with the A5 to connect the RCA output from the DAC in to one
of the mini-jack inputs.
How can the D1 external computer DAC improve my music?
D1 bypasses your computer's headphone output and/or soundcard and sends audio directly through the USB port. The D1 doesn't alter the sound, but provides a much cleaner path from the digital audio file to your music system so you hear the true full potential of your music.
How easy is it to set up the D1?
Connect the included USB cable from your computer to the D1. If using a Mac, go to System Preferences/Sound, and select "Audioengine D1". If you're using a PC, no setting changes are needed as the computer will automatically find the USB driver. Now play music from iTunes or your favorite media player and that's it - setup really is that easy.
Is D1 USB input isochronous or asynchronous?
The D1 uses "adaptive mode" USB, which means it will track incoming data coming from the computer and adjust so as not to miss any information. The incoming data is clocked out to the D1 DAC chip, which then re-aligns the bits using it's own internal clock to minimize jitter.
How do I find out more information about DACs and computer audio?
There are some excellent online computer audio forums and a quick search will turn up everything you need to know about the best hardware and software and how to get started on any budget. Computer audio is quickly evolving so we suggest to check and make sure the information you find is up to date.
When I plug in headphones will the D1 RCA outputs be muted?
Yes, the output will mute and audio will only play through your headphones.
What is the best USB cable length to use with D1?
USB cable performance will vary with construction and length, however, for the best results we recommend using the shortest cable possible (2' or less).
Can I connect the D1 DAC to a USB hub?
Although D1 may work just fine when connected to most USB hubs, this is not recommended as the data rate may not be fast enough for higher-resolution music. We therefore suggest you select a high-speed USB bus all by itself and don't use a USB port on your keyboard, for example.
Will the D1 work with USB 1.1?
Yes, however, note that 24/96 HD digital audio pushes the limits of USB 1.1 speeds. Due to this it's highly recommended that you connect to a higher-speed USB 2.0 port.
How do I use the optical input of the D1?
Connect an optical cable and the D1 will sense that an optical input is present and give that input priority. If using D1 with optical outputs from your TV, DVD play, Apple TV, etc you will need an AC USB power adapter (sold separately) to power D1. When using the optical output from your computer, you may power D1 via the computer's USB power and therefore no external power supply is needed.
The D1 is connected to the optical output of my TV but I'm not getting any sound. What can I do?
In your TV menu verify that "PCM STEREO" is selected and "DOLBY DIGITAL" is off.
How do I make sure that the D1 DAC is set to 24-bit/96KHz audio?
If using a Mac, open the Audio MIDI Setup utility in Applications->Utilities, choose "Audioengine D1" under audio devices and check that the format is set to 96 and the bit depth is set to 24bit.
I'm having trouble using my D1 with Foobar in WASAPI and KS mode. What do I do?
In the Foobar control panel, under Preferences->Output, set the buffer length to minimum. A few customers have mentioned that WASAPI mode is more stable when used under WinAmp, so try that as well.
Is there an easier way for Mac users to get to System Preferences and the Audio MIDI Setup control panels?
A customer recommended an app called Soundsource - http://rogueamoeba.com/freebies - which is an easy way to switch between audio input and outputs as well as to access System Preferences and the Audio MIDI control panels.
Will the D1 work with my low-impedance HiFiMAN HE-500 headphones?
The D1 includes a headphone amp based around 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 impedances from 20 to 300ohms.
Is there a recommended "break-in period" for the D1?
Your D1 will sound great out of the box and will get better over time, however, it's best to play music for 40 to 50 hours first before doing any critical listening.
Why do I lose system volume control when using the D1 with my computer?
Optical and USB outputs are all digital, so both Windows and Mac OS X will disable the system volume control when they are in use. You can still control the volume directly in iTunes (or any media player), with the front panel volume control on the D1, or with the volume control on your audio system.
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