BOSS Audio Systems MRGB10W 10 Inch Boat Subwoofer - 800 Watts Max, Dual 2 Ohm Voice Coil, Multicolor Illumination, Weatherproof, Sold IndividuallyRGB Illumination - Use the included wireless remote to change colors. Control things like the speed, color, mode, brightness and more. It looks great, especially at night!Weatherproof - The MRGB10W has been outfitted with the latest weatherproofing techniques for protection against the elementsDimensions: 10.6 x 10.6 x 6.12 inches, Item Weight: 11.55 Lbs.Impedance: 2 ohm dual voice coilMounting Depth: 4.13 inches, Mounting Hole: 9.38 inchesFrequency Response: 44Hz, Sensitivity: 87 dB @ 1 Watt/1 MeterPolypropylene Cone, 1-inch Voice Coil