Sony CDX-F50M Marine CD Receiver / MP3 Player Car Stereo Marine CD receiver with built-in amplifier (23.2 watts RMS/52 peak x 4 channels) UV resistant, fold-down, detachable face with red and white display Plays CDs, CD-Rs, and CD-RWs -- including discs loaded with MP3 and ATRAC3plus files EQ3 -- 3-band equalizer and seven preset tone curves Dynamic Soundstage Organizer