KMC4 Marine Dual-Zone Media Center Meet your new entertainment hub! The KMC4 features four channels and up to 200 watts of built-in power. It comes equipped with an AM/FM/weather-band tuner, charging USB connection and four sets of RCA outputs for easy expansion. The Party Starts Here The KMC4 comes with a sunlight-viewable, full-color 3-inch LCD screen and a rotary encoder for easy access to your tunes. Add even more bump to your boat by connecting amplifiers to the front, rear, sub, and zone-2 RCA outputs. Equipped with an AM/FM tuner with weather band, Bluetooth audio, RCA and charging USB inputs, the KMC4 is ready for any music you want to play. The full color display shows you on-screen artist, album art, track and title data. Add a wired KRC12 Remote Commander for even more control. Charging USB w/Thumb-Drive Playback Bluetooth Connectivity Full-Color LCD Display KRC12 Remote Compatible AM/FM and Weather-Band Tuner Up to 10 Favorites for each source: AM, FM and SiriusXM Front and Rear RCA Outputs, Plus Subwoofer and Zone 2 AUX RCA Input Day/Night Mode Low Battery Alert Customizable EQ with Five Presets Specifications: Power Output @ 14.4V, 4Ω stereo, Less Than 10% THD+N - 25x4 Power Output @ 14.4V, 2Ω stereo, Less Than 10% THD+N - 38 x 4 Frequency Response [Hz] - 20 - 20k RCA Outputs - Pre-amp Outputs: Front, Rear, Subwoofer, Zone2 Line-Out Level [V] - 4 Outer Trim Ring Dimensions [in, cm] - 3.5 x 5.5, 8.89 x 13.97 Protrusion From Mounting Surface [in, cm] - 1-1/8, 2.86 Mounting Depth [in, cm] - 4-3/4, 12.07 Mounting Hole Diameter [in, cm] - 3, 7.62 Mounting Panel Thickness Range [in, cm] - Any IP Rating - IP66 AUX Input Sensitivity - 500 mV USB:Playback, Charging, Compatible File System - MP2, MP3, WMA, WAV16, FLAC16 DC 5V, 1 Amp - FAT32 BT Range (feet) - 30