Sony CDX-H910UI Splashproof Marine CD Receiver CDXH910UI marine CD receiver with built-in amplifier (17 watts RMS CEA-2006/52 peak × 4 channels) plays CDs, CD-Rs, and CD-RWs, including discs loaded with MP3, WMA and AAC files blue and white display with switchable blue/red illumination works with Sony Marine Commander wired remotes Marine-specific features: splash-proof front panel coated circuit boards, UV- and salt-resistant paint Audio features: EQ3 (seven preset tone curves and a 3-band equalizer) Expandability features: built-in iPod control with USB connection compatible with optional satellite radio, HD Radio tuner, CD changer inputs: rear-panel auxiliary input, rear USB input outputs: 6-channel preamp outputs (2-volt front, rear, subwoofer)