320 WATT MAX POWER: The max output of the dual 8 inch marine speaker is 160 watt with the max power of 320 watt. It allows you to crank up the bass volume to heighten the party atmosphere, making it an excellent complement to any off-road vehicles EXCELLENT DESIGNATION: We designed a dual 8 inch with LED light blue illumination that is waterproof and weather resistant adding a rugged marine grade construction perfect for boat and marine watercraft SUBWOOFER AUDIO QUALITY: The waterproof marine speaker features a 2 way full range stereo sound reproduction. The 8 Oz magnetic structure and a 4 ohms impedance improve the sound system adding a speaker wires of 9.8’ ft MARINE SPEAKER DIMENSION: This waterproof marine speaker has a size of 8 inch and an approximate weight of 2.43 lbs. With a total speaker diameter of 9.4'' - inches and total speaker depth of 2.0'' - inches BUILT TO LAST: No need to worry about this marine speakers life time as it is constructed by engineered ABS molded in machined basket and grill. Low-profile slim style speaker housing but has a universal standard OEM replacement size