JL Audio M3-10IB-S-GM-4 10-inch Marine Subwoofer Driver (175W, 4 ohm)

Highlights 10" 4-ohm marine subwoofer Injection-molded mica-filled polypropylene woofer with synthetic rubber surround Centrex polymer basket and grille, with stainless steel back plate Gold-plated, marine-grade brass binding posts Marine-grade synthetic fiber spider Designed for free air applications Also works in sealed boxes: 2.5 cu ft optimum volume Features Marine Tested: JL Audio's marine speakers are tested in ultraviolet chambers to simulate years of sun exposure, and salt fog chambers to simulate years of exposure to salt-water environments. Materials: The woofer cone is mica-filled injection-molded polypropylene (IMPP) with UV inhibitors. The surrounds are synthetic rubber and the woofer uses a marine-grade synthetic fiber spider with a progressive roll design. The basket and grille are UV-resistant polymer; the basket encapsulates the woofer's motor system to prevent corrosion. Infinite-Baffle Operation: The M3-10IB is optimized for infinite baffle operation so that it can