24-Bit DAC/Headphone amp. Finish: Grey.
3 year warranty
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
Any computer (Mac or PC)
Apple TV or any product with optical outputs
Any audio system with mini-jack or RCA inputs
(1) D1 DAC
(1) USB cable, 2ft (0.6m)
(1) Microfiber product bag
(1) Setup guide
(1) Product line brochure
Operating Temperature: 32 to 95 degrees F
Non-operating Temp: -4 to 113 degrees F
Relative Humidity: 5% to 95% non-condensing
USB cable, 2ft
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.
The D1 includes a headphone amp based on the TI OPA2134 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.
Yes! You will need an Apple USB camera adapter, and a self powered USB hub. We've tested this with the D-link DUB-H4 and DUB-H7, and it works well. Here's an example of how this would be connected:
iDevice w/ USB Camera Adapter --USB-> Powered hub --USB-> D1 --RCA/Mini-> Speakers/Headphones
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.
The D1 is a USB Plug-and-Play audio device. This means that the drivers it uses are developed and provided by the developer of your computers operating system. In the case of a Windows PC for example, these drivers are provided by Microsoft, and are a part of Windows.
The D1 is essentially a very high end external sound card. Its components and implementation of those components make it more capable than what might be built in to a computer, not to mention the benefit of moving those sensitive components external to the potentially noisy interior of your computer. All of this means the signal your speakers receive will be clearer, with a lower noise-floor, and with a more pronounced dynamic range over your internal sound card.
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.
When issues do crop up in USB audio, this is a common symptom. The PDF linked below outlines the issue and potential causes as well as some common fixes.
These RCA outputs are variable, adjusting the volume on the D1 will adjust the output of any speakers or amp connected to this output. This makes the D1 a handy way to control the volume of both your speakers AND headphones.
The D1 is asynchronous, which means it controls the data streams timing using it's own internal clock to minimize jitter.
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.
Yes, the output will mute and audio will only play through your headphones.
The maximum length USB cable you'll be able to use with good results will vary based on your computer's USB port, and the type of cable being used. Some USB ports perform better than others, so be sure to try them all. For the best results, we generally recommend a maximum length of around 3 ft (~1m) and a cable that's USB 2.0 or 3.0 certified - or built specifically with audio in mind.
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.
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.
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.
In your TV menu verify that "PCM STEREO" is selected and "DOLBY DIGITAL" is off.
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.
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.
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.
The D1 includes a headphone amp based around the TI OPA2134 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.
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.
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.
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. USB audio needs quite a bit of bandwidth, so for best results ensure your D1 is on a "High-Speed" bus and not a "Full-Speed" bus.
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.
Absolutely! We've had a lot of really good feedback from our customers on this, and its really easy to add to an existing Airplay setup. You can connect your Airport Express into the D1s optical input using a mini-Toslink to Toslink cable to pass a digital signal to the D1. Like other setups without a computer you'll still need to connect the D1 to a USB connection for power - Either a USB AC adapter like we offer in our accessories, or a nearby USB port capable of delivering a minimum of 500mA. Please note that the USB port on the Airport express is intended only for lower powered or self powered devices (like a printer) and will not reliably power the D1.
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