# marine CD receiver with built-in amplifier (18 watts RMS/50 peak x 4 channels)# special marine coating for use on the water# plays CDs, CD-Rs, and CD-RW discs, including discs loaded with MP3, WMA, and AAC music files (except Digital Rights-protected files)# fold-down, detachable face with a 2-line BioLite display# remote control