Amazon.com: DS18 NXL10SUB Outdoor Marine Audio Subwoofer with RGB - 600 Watt MAX 300 Watt RMS 10-Inch White Waterproof Bass Loud Speaker For ATV/UTV Stereo Sound System, Under Helm or Box Case
BOSS Audio Systems MRGB10W 10 Inch Marine Audio Subwoofer - 800 Watts Max, Single 2 Ohm Voice Coil, Multicolor Illumination, Weatherproof, Sold Individually, For Boxes Enclosures, Hook Up To Amplifier
DS18 HYDRO 10" Marine Subwoofer with Integrated RGB Lights 600 Watts Black Carbon Fiber marine audio subwoofers for boats
Amazon.com: 6.5” Slim Marine Subwoofer - 150W 4 Ohm Waterproof Car Component Speaker System, Low Profile PP Cone w/Rubber Edge, 20 Oz Magnet 1" Voice Coil, for Custom Audio Boat Truck Mobile