JL Audio M6-8IB-C-GWGW-4 8-inch Marine Subwoofer Driver (200W, 4 ohm)

Highlights 8" 4-ohm marine subwoofer Injection-molded mica-filled polypropylene woofer with synthetic rubber surround Polymer basket and grille, with stainless steel back plate Marine-grade brass binding posts Marine-grade synthetic fiber spider Works in sealed or ported boxes and free air applications 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; they encapsulate the woofer's motor system to prevent corrosion. Infinite-Baffle Operation: The M6-8IB is optimized for infinite baffle operation so that it can be installed in a variety of locations, without the need fo