Kenwood KDC-MP528 CD/MP3 Receiver MP3, WMA, AAC, CD receiverPeak Power Handling: 50 watts x 4 chan.RMS Power Handling: 22 watts x 4 chan.Detachable faceplate security Motorized, fold-down, face with 2-color display CD-R,RW Compatible (MP3, WMA, or AAC files) System Q Sound wireless remote