JBL Xtreme 4 Portable Wireless Waterproof Speaker (Black) 100W of JBL Pro Sound, 2 x 2.8" Woofers & 2 x 0.75" Tweeters, Dual Passive Radiators, Maximize Quality with AI Sound Boost, Water/Dustproof with Rubber Bumpers, Up to 24 Hours of Playback, 6...