360 degree sound with 8 symmetrically placed drivers crank out clean highs, midrange punches and deep, roaring lows. 4 tweeters, 2 mid/sub drivers, 2 passive radiators and a 97 db. sound pressure level, the CORE-X fills produces rich audio. 100% Waterproof and the perfect teammate for the beach, paddle boarding and sailing. IP67 rating insures it can go 3' under water for 30 minutes, though it will float as well for easy retrieval. Fully dustproof, mud-proof and shock proof to 3'