Description: MB Quart GMR-1.5W OFF-ROAD & Marine Multimedia Source Unit with 160 Watt internal amplifier features Bluetooth. Features: Compatible Vehicle Fitment Universal Marine Grade Protection / IPX Rating This product has been designed and tested against the elements. Waterproof, dustproof, snowproof or shockproof. Built to handle the outdoors. Meets or exceeds IP67 requirements for water and dust proofing. Apple® Control Quick control and access of music apps via iPhone, iPod and iPad. Source Type Bluetooth® Enabled Gauge Mount Radio allows all access to content from Bluetooth enabled devices. Input Types Bluetooth, RCA, USB Control Buttons Unit is adjusted by master knob and 9 control buttons on faceplate. Bluetooth® Connect Bluetooth® Connect allows your phone or other Bluetooth enabled device to be quickly paired to the controller without a complicated pairing process. Secure Simple Pairing™ Quick and secure wireless connection between your Bluetooth enabled device. This reliable connection is impervious to outside interference, providing a lock-tight connection to your audio system. Quick-Pair™ No more frustration with trying to pair. When the unit powers up, it immediately connects to the last device connected. For a first time connection, you only have to select "MB Quart" from your Bluetooth menu and you are connected, QUICKLY. Built-In Power Four channels of output. These channels remain active when running an external amplifier (RCA Output) to run additional subwoofer in the vehicle. Control Method Unit is adjusted by master knob and 9 control buttons on faceplate. Additional Inputs 1 Pair (Aux), 1 USB USB / Apple® / Charging Port 1 USB Bluetooth® Version Version 4.0 Specifications: Weight: 1.85 lbs Dimensions: 5.95 × 5.95 × 6.82 in Type: Source Unit Brand: MB Quart Series: Nautic Category: Marine, Powersports, RV Condition: New Color: White Warranty: 1 Year IPX Rating: IPX67 Compatible Vehicles: Universal Source Unit Bluetooth Range (ft): 32 Source Unit RMS Power Output (watts): 4 x 20 Source Unit Peak Power Output (watts): 4 x 40 Source Unit Pre-amp Outputs (Y/N #): 1 Subwoofer Out, Yes Source Unit Pre-amp Voltage: 4.0V Source Unit Minimum Impedance (ohms): 4 Source Unit Dimensions Mounting Hole (in): 2.99 Source Unit Dimensions Total Mounting Depth (in): 3.14 Source Unit Dimensions Mounting Bezel (Round) (in): 4.75 Proposition 65 Notice: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov