JL Audio M3-10IB-C-GW-4 10" Marine Subwoofer w/ Classic Grille

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 Power range: 175 watts RMS (350 watts peak power) Sensitivity: 87.2 dB Top-mount depth: 5-1/8" Cutout diameter: 8-7/8" Warranty: 2 years 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 woo