6'' x 9'' 2-Way Marine Speaker with integrated grille assembly, Polypropylene Woofer Cone, Polypropylene dome-tweeter, cast-polymer Basket and sealed Motor structure.The JBL MS9200 marine loudspeaker was designed specifically for marine applications. A waterproof motor structure, sealed cones, and integrated grilles ensure that these speakers will stay alfoat for years. Sealed magnet structure protects the motor structure from water. One-piece cast-polymer basket holds up, even after excessive exposure to sun and salt. Grille-mounted tweeter allows JBL to seal the front of the woofer cone, protecting the motor structure from sea spray and washdowns. Rubber surrounds outlast foam and offer superior cone-edge suspension. Stainless-steel mounting hardware included.