The JL Audio M3-10 Marine Subwoofer is purpose-built for marine environments, offering powerful, deep bass without requiring a dedicated enclosure. Designed for moderate power applications, this subwoofer allows your main speakers to focus on mid and high frequencies, improving overall system performance. Optimized for amplifier power in the 50Wâ175W range, the M3-10 operates best with at least 2 cu. ft. (56.6 liters) of air behind it. If you need a subwoofer for smaller sealed enclosures, consider the M6-10W. Built to withstand the harsh marine environment, the M3-10 ensures years of reliable, high-quality sound on the water.• Produces amazing bass in open-air applications• Exceeds international standards for salt fog and UV exposure• Engineered for use with or without a dedicated enclosure• 2-Years Warranty• Sold individuallySpecsContinuous Power Handling (RMS): 175wSystem Nominal Impedance: 4 ohm Optimized for 2 cu. ft. (56.6 liters) of air behind it Built to withstand saltwater marine environments Improves overall system performance by handling low frequencies | JL Audio M3 10" Marine Subwoofer w/ Sport Grille | Gloss White