MB Quart MDR2.0W multimedia digital receiver with 160 watt internal amplifier featuring AM/FM, Bluetooth®, USB. Compatible Vehicle Fitment Universal Marine Grade Protection / IPX Rating Meets or exceeds IPX5 requirements for water and dust proofing. LIFE SHIELD: This product has been designed and tested against the elements. Waterproof, dustproof, snowproof or shockproof. Built to handle the outdoors. Apple® Control Quick control and access of music apps via iPhone, iPod and iPad. Source Type AM/FM/Bluetooth® Radio allows all access to radio stations and content from Bluetooth enabled devices. Input Types Bluetooth, RCA, USB: Nearly nothing the device can not play. Control Buttons Front facing buttons to engage and adjust all features. 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 draft when running external amplifiers (RCA Output) to run additional speakers in the vehicle. Control Method 9 control buttons on faceplate. Frequency Range FM: 87.5-108, AM: 530-1710 Additional Inputs 1 Pair (Aux), 1 USB USB / Apple® / Charging Port 1 USB Bluetooth® Version Version 4.0 Details & Specs Type Source Unit Brand MB Quart Series MDR Category Marine, RV Condition New Color White Warranty 1 Year IPX Rating IPX5 Compatible Vehicles Universal Source Unit Tuner Section FM Stereo Frequency Range 87.5MHz-108MHz Source Unit Tuner Section S/N Ratio 86.4dBA Source Unit Bluetooth Range (ft) 32 Source Unit RMS Power Output (watts) 4 x 16 Source Unit Peak Power Output (watts) 4 x 40 Source Unit S/N @1W 90.6dBA Source Unit Frequency Response (Aux In) 20Hz-20kHz Source Unit Pre-amp Outputs (Y/N #) 1 Pair, Yes Source Unit Pre-amp Voltage 4.0V Source Unit Minimum Impedance (ohms) 4 Source Unit Display Type LCD Source Unit Dimensions Mounting Hole (in) 7.0 x 2.0 Source Unit Dimensions Total Mounting Depth (in) 4.5 Additional Details MAXIMUM THD+N AT 4 OHMS: 15.8 watts, MAXIMUM UNDISTORTED PREAMP VOLTAGE (WITH 20K OHM LOAD): 5.9 Volts, SIGNAL TO NOISE (CTA-2006B): -86.4dBA AUX / -84.7dBA Bluetooth, SIGNAL TO NOISE RATIO OF LINE LEVEL OUTPUTS (AT MAX VOLUME): Bluetooth -88.4dBA / Aux -90.6dBA, PREAMP FREQUENCY RESPONSE (+/- 3.0DB): 20Hz–19.5kHz AUX / 34Hz–15.6kHz Bluetooth, AMPLIFIER FREQUENCY RESPONSE (+/- 3.0DB): 20Hz–20.0kHz AUX / 27Hz–20.0kHz Bluetooth, STEREO SEPARATION (AUX INPUT): -65.1dB @ 5kHz, FM MONO USABLE SENSITIVITY: 12.7dBf, AM MONO USABLE SENSITIVITY: 12-14µV Proposition 65 Notice WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov