Features Designed for the marine environment Includes controller for CD changer Waterproof flip down faceplate - no need for a splash cover Custom equalizer optimizes sound for boat acoustics Convenient front panel control Patented waterproof volume control knob Proprietary circuits prevent distortion at high volumes Dynamic loudness automatically adjusts bass level 18 FM and 12 AM presets 180 Watts total power (4 x 45 Watts) Expansion Port supports custom systems and future enhancements All electronic circuits conformal coated for reliable performance in the marine environment Shock-resistant CD mechanism US/Europe switchable tuner frequencies Hard wired and wireless remote available Fits standard DIN cutout