Fully marinized speakers not only deliver JBL sound, but also features RGB. lighting to bring the sound to life. Withstands sun, salt, sea spray and wash downs, they feature sealed motor structure, UV resistant one-piece cast-polymer baskets, a sealed magnet and rubber surrounds. The polypropylene cone and balanced dome tweeter provide great bass, smooth highs and lots of output to ensure every note can be heard loud and clear.