MS6510 6.5" Dual cone Marine Speaker - (Pair) whitejbl Marine Series speakers are ready to take on anything Mother Nature throws your way. With plus One™ woofers and balanced dome tweeters, you'll hear the clarity of your audio above the raucous sounds of the sea. Designed to take on the sun, sea spray and scrub downs, these powerful speakers feature waterproof motor structures, a one-piece cast-polymer Basket, a sealed magnet, and rubber surrounds.Product Features plus One™ woofer cone SPL us One™ polypropylene cones provide more overall speaker-cone area than other cones in its class - the result is higher sensitivity, increased low-frequency output and greater musical character.Balanced dome tweeters weather resistant tweeters deliver a smooth high-frequency response and increased power handling for highs and midst, which equates to more lifelike sound from vocals, cymbals, brass instruments and pianos.Designed for the elements their one-piece polymer Basket is designed to stand the test of time, even after long exposure to the sun and salt. Rubber surrounds offer superior edge protection and are much more reliable than foam. And a grille-mounted tweeter allows the front of the woofer cone to be sealed, protecting the motor structure from sea spray.Individually voicedfor most brands, off-the-shelf speakers and a cursory Approval of frequency response curves are good enough. That's not the case with JBL. We don't only listen to our speakers against the competition - We voice them against each other to ensure each line has the consistent JBL sound signature that's known and sought out by those who care about their audio. This is just part of an extensive development process undertaken by some of the best transducer engineers in the world to provide the finest listening experience at any price point.Oem-level reliability