Description: The MB Quart Nautic bluetooth controller is simple source unit solution designed to mount in a standard switch or accesory location. Features include: Back lighting and RCA outputs (Left & Right). Features: MB Quart N2-WBT Wired Bluetooth Preamp Controller, Boat Polaris/ATV/UTV/RZR/CART Marine Grade Protection: Yes - Meets or excceds the American Boat and Yacht Council (ABYC) marine electronics standards and the American Society for Testing and Materials (ASTM) Source Type: Bluetooth - Allows to music via Bluetooth enabled devices Input Types: Bluetooth and 3.5mm jack - Bluetooth enabled devices and 3.5mm input from headphone output of mobile music device or phone Control Buttons: Fingertip Joystick - Play/Pause, Tracks Forward/Back, Volume Up/Down and Power On/Off are all protected from the elements with the the unique Fingertip Joystick Bluetooth Connect: Yes - Bluetooth Connect allows your phone or other Bluetooth enabled device to be quickly paired to the controller without a complicated pairing process. Additional Inputs: 1 pair RCA (Left & Right) Bluetooth Range: 32' - 10 Meter Frequency Response (Aux In): 20Hz - 20kHZ Pre-amp Outputs: 1pr Left/Right Pre-amp Voltage: 2V Display Type: Backlight Display Backlit: Dial is backlit Dimensions Mounting Hole: Swich Hole 0.83" x 1.41" (2.1cm x 3.58cm) Dimensions Mounting Depth: 2.5" (6.35cm) Dimensions Mounting Bezel: 4.15" (10.5 cm) Product Weight: 1.0 lbs (0.45 kg) Product Dimensions: 3.5" (8.89cm)