Audioengine D2 Premium 24-Bit Wireless DACAudioengine 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 AudioThe 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.