Sony CDX-GT410U CD/MP3/WMA Receiver CD player with built-in amplifier (17 watts RMS/52 peak x 4 channels) plays CDs, CD-Rs, and CD-RW discs, including discs loaded with MP3, WMA, and AAC music files (except Digital Rights-protected files) compatible with Sony's iPod adapter, HD Radio tuner, and satellite radio (tuner, subscription, and antenna required) inputs: front-panel auxiliary and USB inputs