Package: Pair of Kicker 40PSM32 PSM3 Waterproof Motorcycle and ATV Handlebar Speakers + MB QUART GMR-1 ATV And Marine Digital Receiver With Bluetooth Waterproof Motorcycle/ATV Handlebar Speakers. Woofer: 3 inch. ; 75mm. Power Handling:.....100 Watts Peak.....50 Watts RMS. Frequency Response: 100Hz - 15kHz. Sensitivity (dB, 1W/1m): 85. Nominal Impedance: 2 Ohms. Dimensions: 4-3/4" H x 3-3/8" W x 3-7/8" D ; 120mm H x 86mm W x 98mm D. Fits Handlebar Sizes: 1-1/4", 1", 7/8" (32mm, 25mm, 22mm) Marine ATV Boat Stereo Digital Receiver Radio w/ Bluetooth. Source Type: AM/FM/Bluetooth Enabled Gauge Mount Radio. Input Types: Bluetooth, RCA, USB. Control Buttons: Large, Waterproof - Play/Pause, Tracks Forward/Back, Volume Up/Down and Power On/Off. Bluetooth Connect allows your phone or other Bluetooth enabled device to be quickly paired to the controller without a complicated pairing process Built-In Power. Four channels with 40 watts of output. These channels remain active when running external amplifiers (RCA Output) to run additional speakers in the cabin. Additional Inputs: 1 pair RCA (AUX). Tuner Section FM Stereo Frequency Range: 87.5MHz-108MHz. Tuner Section S/N Ratio: &gt;55dB. Bluetooth Range: 32' (10 Meter). RMS Power Output: 20 x 4. Peak Power Output: 40 x 4. S/N @1W: 81.2dBA. Frequency Response (Aux In): 85Hz - 20kHZ. Pre-amp Outputs: 1. Pre-amp Voltage: 2v. Display Type: LCD. Display Backlit: Yes. Minimum Impedance: 4-Ohms The MB Quart Nautic GMR Marine & Powersports source units are the perfect solution for any vehicle that will be exposed to the elements. The GMR line has been extensively tested to be waterproof, dust proof and UV stable. MB Quarts Bluetooth Connect allows you to stream music from your favorite handheld device via Bluetooth opening up a world of entertainment options.