D2R Add-on Receiver for D2

$275

High resolution audio in every room of the house. The D2R is a receiver only add-on kit for the D2 24-bit Wireless DAC. Add up to 2 additional receiver kits to your existing D2 setup, to cover a total of 3 zones with 24-bit wireless audio.

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Product Description


The D2R Add-on Receiver is an expansion kit for your D2 24-bit Wireless DAC. You can add up to 2 D2R add-on Receivers for a total of 3 zones. It connects wirelessly to your existing D2 setup, and can output 24bit/96KHz digital or analog audio to your high end system or powered speakers. Add sound to an additional room, or even make your Audioengine S8 Powered Subwoofer wireless.

★★★★★ Support

Need help getting started with your new D2R? Here are some resources that will help.

 

30-day audition

Listen to D2R 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

Wireless bit-perfect 24/96 digital-to-analog converter
USB-to-S/PDIF converter
Mac or PC plug-and-play, no drivers or network setup
Precision receiver re-clocking for low jitter
USB and optical inputs
Optical and analog outputs
Based on Burr-Brown PCM1792 DAC

Works with

Works with

D2 24 bit wireless DAC

What’s in the Box

What’s in the Box

(1) D2 Receiver
(1) Power supply
(1) Detachable power cord, 1.5m (~5ft)
(1) RCA audio cable, 2m (~6.5ft)
(1) Microfiber product bag
(1) Setup Guide
(1) Product line brochure

What’s in the Box (Receiver)

What’s in the Box (Receiver)

(1) D2 Receiver
(1) Power supply
(1) Detachable power cord, 1.5m (~5ft)
(1) RCA audio cable, 2m (~6.5ft)
(1) Microfiber product bag
(1) Setup Guide
(1) Product line brochure

General specifications

General specifications

DAC type
Dual Mode USB and Optical (SPDIF) wireless DAC

Outputs
RCA Stereo/Optical (SPDIF)

D/A converter
PCM1792A

Optical receiver
AK4117

Full-scale output
2.0V RMS

Output impedance
100 ohms

Power source
Included external supply

SNR
(DC to 20 kHz) >115dB

THD+N
(1kHz FS 96kS/s) <0.0015%

Crosstalk
<-85dB

Frequency response
10Hz-30KHz (+/- 0.5dB)

Wireless range (typical)
>100ft

Latency
<20ms

Product dimensions
4.75×5.5×1″

Shipping weight
4lbs (2.0kg)

Shipping box dimensions
15x9x5″

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
RCA cable, 6.5ft
Power adapter with detachable AC cord
Microfiber bag
Setup Guide

D2 DAC
The D2 Receiver utilizes the PCM1792 DAC, widely know for it’s low noise and high fidelity. Due to the PCM1792’s high signal-to-noise specs and the added benefit of triple redundancy power source conversion and filtering, the D2 presents impressive low noise and low distortion characteristics.

Dagogo – D2 Review

“Regardless of source quality, I haven’t heard more quiet or lower distortion USB DAC.”
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Positive Feedback – D2 Award: Writers’ Choice Awards for 2012

“D2 is included in the 9th Annual Positive Feedback Online’s Writers’ Choice Awards for 2012 – The Best of the Best!”
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Tone Audio – D2 Review

“The Audioengine D2 DAC offers convenience and high performance in a compact package that is reasonably priced. Computer audiophiles take note.”
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Dagogo – D2 Review

“Regardless of source quality, I haven’t heard a quieter or lower distortion USB DAC.”
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AudioStream – D2 Review

“The wireless aspect of the D2 really isn’t an issue and that’s really good news.”
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Enjoy the Music – D2 Review

“The plug-and-play Audioengine D2 is fun to use, is super reliable, is affordable, and sounds great.”
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Computer Audiophile – D2 Review

“The Audioengine D2 is the wireless interface I prefer over all others for its sound quality, convenience, and software independence.”
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Positive Feedback – D2 Review

“Audioengine has delivered yet another excellent audio product at a very competitive price.”
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Ken Rockwell – D2 Performance Testing

“At any price, the Audioengine D2 is a great DAC. The D2 tests almost as well as if it’s a piece of laboratory equipment.”
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Soundstage – D2 Review

“The fact that it’s so affordably priced makes this game-changing DAC all that much easier to buy.”
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Audiophilia – D2 Review

“Many inexpensive digital devices sound effective out of the box, but fatigue after a marriage. Not the D2s. Buy with utmost confidence.”
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AudioHead – D2 Review

“For the individual who likes simplicity, this product has an edge over server-based streaming options.”
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Can I use the D2 with an Apple iPhone or iPad?
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:

phone and tablet w/ USB Camera Adapter –USB-> Powered hub –USB-> D2 Sender –wireless-> D2 Receiver –RCA-> Speakers

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.

If the D2 DAC Sender is connected to my MacBook in another room do I have to go back to the computer to change songs?
The free Remote app for iTunes works nicely on an iPhone/iPad and there are plenty of free apps for non-iTunes based systems as well as Android-based apps.

Where can I download drivers for the D2?
The D2 is a USB Plug-and-Play audio device. This means that the drivers it uses are developed and provided by the developer of your computer’s operating system. In the case of a Windows PC for example, these drivers are provided by Microsoft, and are a part of Windows.

What is the best USB cable length to use with D2?
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 D2 Sender to a USB hub?
Although D2 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.

I’m hearing a crackling/popping sound when playing music. What am I doing wrong and how can I fix this?
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.

View PDF

Will the D2 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 make sure that the D2 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 D2 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.

Is there a recommended “break-in period” for the D2?
Your D2 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.

Is the D2 USB isochronous or asynchronous?
The D2 uses “adaptive mode” in it’s USB receiver. This means that the USB receiver (Texas Instruments 1020B) will keep track of the data coming in from the computer and adjust so as not to miss any incoming data. Due to the nature of the wireless link, the data then becomes asynchronous before arriving at the Receiver. Thus the D2 acts as an asynchronous USB DAC with the added benefit of being 24/96 bit-perfect wireless.

Will the volume control on the D2 Sender affect my audio?
No. The volume information is transmitted via a completely separate I2C channel over the air and is used at the output of the internal DAC of the D2 Receiver. Will the D2 interfere with my other wireless devices? The D2 is designed to play well with most wireless devices, especially computers and routers. We do, however, recommend that you locate the D2 at least 12″ from other wireless products.

What can I do to further ensure that all my wireless devices work well together?
If you use a wireless 802.11g router, set the channel to either 1 or 11. If you have a 2.4G WLAN-N access point in your home, make sure it is set to 20MHz bandwidth and not 40MHz.

How many wireless “zones” can I set up with D2?
The D2 Sender can simultaneously broadcast to (3) D2 Receiver units. See the Pairing section in the D2 Setup Guide for pairing additional receivers.

Why does D2 have a digital optical but no coax interface?
We chose optical over coax inputs and outputs for D2 (and D1) primarily because TV’s, Apple TV, and computers all have optical outputs. Regarding optical vs. coax quality, there are various thoughts and theories on which is better but our experience is that as long as optical is implemented correctly and the connectors are high-quality, it is essentially the same digital SPDIF signal.

Can I use D2 to connect my computer wirelessly to another DAC in my audio system?
Absolutely! If you use the USB input of the D2 Sender, then connect the D2 Receiver optical output to your DAC and the D2 will act as a wireless 24-bit USB-to-SPDIF converter and stream high-resolution digital audio to your favorite DAC. You can also use the optical input on the D2, in which case the D2 will act as a wireless optical link to your DAC. Can I use a third-party (non-Audioengine) AC power adapter to power my D2 Sender and/or Receiver? The D2 AC power adapters have been specifically designed to provide stable low-noise power to the D2 so only use the included Audioengine power adapters. Using any other power adapter will compromise the audio quality and may damage your D2.

Can I take my D2 to another country with a different voltage?
Yes, D2 uses switching power supplies so they will automatically convert to the different voltage. The AC power cord is detachable which makes it convenient to replace the AC plug with a different type if you don’t want to use an adapter plug.

What is the AC power cord type for Audioengine D2?
We use 2-pin non-polarized IEC 320-C7 cables, which is common and can be purchased at most electronics stores.

How does D2 differ from the Audioengine W1 or W3 wireless adapters?
The D2 offers bit-perfect 24/96 transmission, while the W1 and W3 wireless are 16-bit adapters (16/44.1 and 16/48KHz).

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