The JL Audio M6-10IB Marine Subwoofer is designed for marine environments, offering deep, powerful bass without the need for a dedicated enclosure. With long excursion capabilities and a rugged suspension system, this subwoofer delivers impressive low-end performance, freeing up your main speakers to focus on mid and high frequencies. Optimized for amplifiers in the 75Wâ250W power range, the M6-10IB performs best with at least 2 cu. ft. (56.6 l) of air behind it. For those needing a subwoofer in a smaller sealed enclosure, the M6-10W is recommended instead. Built to withstand harsh saltwater conditions, this subwoofer promises years of high-performance audio.• Delivers powerful deep bass in open-air applications• For use with or without a decicated enclosure• Grille and Trim Ring are easily removable for painting• Exceeds international standards for salt fog and UV exposure• 2-Years Warranty• Sold individuallySpecsContinuous Power Handling (RMS): 250wSystem Nominal Impedance: 4 ohm Power range: 75W250W for optimal performance Requires at least 2 cu. ft. (56.6 l) of air space behind it Built to withstand marine environments for lasting durability | JL Audio M6 10" Marine Infinite-Baffle Subwoofer w/ Titanium Sport Grille