Audioengine D2 wireless DAC


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  • Product Description

    Audioengine D2 Premium 24-Bit Wireless DAC

    D2 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:

    • Any computer (Mac or PC) 
    • USB-to-SPDIF convertor (use with your favorite DAC) 
    • Any TV or product with optical outputs 

    What's in the box (D2 Sender):
    (1) D2 Sender
    (1) Power supply
    (1) Detachable power cord, 1.5m (~5ft)
    (1) USB cable, 2ft (0.6m)
    (1) Microfiber product bag
    (1) Setup Guide
    (1) Product line brochure

    What's in the box (D2 Reciever):
    (1) D2 Receiver
    (1) Power supply
    (1) Detachable power cord, 1.5m (~5ft)
    (1) RCA audio cable, 2m (~6.5ft)
    (1) Microfiber product bag

    Audioengine D2 Premium 24-Bit Wireless DAC allows you to stream wireless HD audio from your computer to any music system, independent of your Wi-Fi network. D2 includes USB and optical inputs, a high-performance DAC, plus the isolation benefits of wireless. Setup is fast and simple, with no software to install and without the frustration of trying to connect to your network.

    Game-Changing Computer Audio
    The D2 offers audio fidelity and features of DACs costing several times more, but with one very important feature - it's wireless! D2 is a simple to use yet powerful digital-to-analog converter with performance and features generally found in much more expensive DACs. The D2 processes digital audio at any bit depth up to 24 bits and sample rates to 192KHz, then sends your music over-the-air at 24/96. It accepts USB or PCM-stereo optical and will automatically configure to match either of these inputs.

    Easy Setup and Simple Operation
    Bypass your computer's sound card or headphone jack and send wireless HD audio to any music system. D2 transmits all music file formats from any computer media player and can simultaneously transmit HD audio to up to 3 wireless receivers. The 100ft (30m) typical range, low latency, built-in DAC, and resistance to interference and dropouts makes D2 the best-sounding HD wireless system available.

    The D2 is actually three products in one - a high-quality USB wireless computer DAC, a wireless USB-to-SPDIF converter, and a wireless optical PCM-to-stereo link. The ability to stream HD audio wirelessly from your computer direct to your music system not only keeps your computer away from your audio gear, but also minimizes nagging problems such as ground loops, induced cable noise, and jitter. And if you already have a favorite DAC, the D2 can provide bit-perfect wireless USB-to-SPDIF conversion or serve as a wireless link for your PCM-stereo stream.

    Join the Computer Audio Revolution
    The D2 sends a 24bit/96KHz PCM stereo digital stream over-the-air in a "closed-system" Wi-Fi configuration. The system's proprietary RF technology ensures data integrity with no impact on existing routers or networks. The volume control on the D2 Sender is transmitted over an entirely separate channel so there is no impact on the digital audio stream.

    See and Hear the Difference
    Audioengine designers, with their attention to audio quality as well as visual aesthetics, have created a feast for bo
    th the eyes and ears. The rounded anodized aluminum case of the D2 reflects traditional Audioengine design and the audio fidelity is typical of Audioengine's commitment to great sound at an affordable price. The Audioengine D2 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!


    D2 Technical Specifications

    DAC type

    Dual Mode USB and Optical (SPDIF) wireless DAC

    USB/Optical (SPDIF)

    RCA Stereo/Optical (SPDIF)

    D/A converter

    Optical receiver

    USB controller

    Full-scale output

    2.0V RMS (RCA)

    Output impedance
    100 ohms

    Power source
    Sender: USB 5V or included external supply
    Receiver: Included external supply

    Power requirements
    Sender: 270mA
    Receiver: 300mA

    USB power filtering
    3-stage redundant regulation




    Frequency response

    10Hz - 30KHz +/- 0.5db

    Input bit depth
    up to 24 bit

    Input data rate
    up to 192KS/s (optical), 96KS/s (USB)

    Wireless range


    Wireless receivers supported
    Up to 3 (24/96 to each receiver)

    Product dimensions


    Shipping weight
    4lbs (2.0kg)

    Shipping box dimensions

    Operating Temperature: 32 to 95 degrees F
    Non-operating Temp: -4 to 113 degrees F
    Relative Humidity: 5% to 95% non-condensing

    Included accessories (D2 Sender)
    USB cable, 2ft
    Power adapter with detachable AC cord
    Microfiber bag

    Included accessories (D2 Receiver)
    RCA cable, 6.5ft
    Power adapter with detachable AC cord
    Microfiber bag
    Setup Guide

    Advantages of wireless
    The D2 wireless system transmits bit-perfect PCM-stereo simultaneously to up to 3 receivers. This PCM stream is routed from/to the various components of the system (optical transmitter/receiver, USB controller, and DAC) via the I2S bus, which maintains data integrity throughout the system. Because the various source/sink components are segregated by the wireless subsystem, various anomalies which plague many wired DACs such as jitter, grounding, and induced cable noise are greatly reduced. In addition, the D2 allows the user to physically isolate a potentially noisy computer from the sensitive audio components in your system.

    D2 USB
    The D2 utilizes the TI1020B USB controller chip, widely recognized as the industry standard for higher-end USB audio products. The Sender can be powered directly from the USB bus or from the included external power adapter. The USB power is passed through two stages of regulation to ensure high stability and low noise.

    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.

    I2C Volume Control
    The D2 incorporates a separate-path wireless channel to transmit volume information from the Sender volume control to the analog section of the Receiver. This means that the volume information never affects the digital audio stream.

    D2 and LAN
    The D2 system divides the band between 2405 MHz and 2477 MHz into 37 discrete, 2 MHz wide channels. Channels numbered 2 through 38 inclusive are used for system operation. The system scans the spectrum and selects two channels that are 18 channels (or 36 mHz) apart and transmits with 50% of the time on one channel (for example channel 2) and 50% on the other channel (for example channel 20). The system stays on these selected channels until the error detection rate reaches a pre-determined level indicating deteriorating RF conditions. The system will then select a cleaner channel for transmission and move there without any drop in audio. In this way the D2 not only maintains it's own audio integrity, but co-exists nicely with other LAN devices


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