Pioneer MVH-MS512BS Marine Head Unit - Black

50 Watts X 4 Channels Max Power Output With Six 4-Volt Preamp Outputs For Speaker And Subwoofer Hookup Expands Unit Features To Include Alexa And User Interface Unit Rotary Knob Will Trigger System To Read Messages Out Loud And Bass Boost Button Activates Dynamic Bass Enhancer Effect Bluetooth Audio Streaming And Hands-Free Calling To Keep Hands On The Wheel And Eyes On The Road For Safety Dual-Zone Color Illumination With 210,000 Color Choices And 10-Level Brightness Control Smart Sync App Compatible 2-Line White Va Lcd Display With Black Characters For Higher Outdoor Visibility Led Backlight Dual Phone Connectivity Plus 5-Phone Registration Designed To Replace Existing, Older Single-Din Marine Head Units In Order To Add Updated Features Such As Bluetooth, Smartphone Compatibility, And Satellite Radio Compatibility Android And Iphone Connectivity