This unit is a simple but smart device and no external power is required. It allows you to connect your PC/laptop to an audio amplifier or other audio destination that has an S/PDIF input without needing a dedicated audio card. This compact HD audio product supports LPCM 2.0 audio with a maximum sampling rate of 384kHz at 24bits. This unit connects to your PC/laptop using any available USB 2.0 (or higher) port (Windows and Mac OSX compatible).
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