Kenwood KDC-MP238 WMA/MP3 CD Receiver with Front-Panel AUX Input and External Media Control CD player with built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels) plays CDs, CD-Rs, and CD-RW discs including discs loaded with MP3 and WMA music files compatible with Kenwood's iPod and Bluetooth adapters, satellite radio and HD Radio tuners inputs: front-panel auxiliary input