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 spra…