100W Powerful Sound: Dual 40W Woofers, dual 10W tweeters, two passive radiators, and two DSP technologies are designed to deliver a powerful full-range sound, thick bass, and clear treble with less distortion. Immerse yourself in a giant party with 100W of booming sound on our most powerful portable DOSS Extreme Boom+ speaker. Astounding Bass: Simply press and hold Extra Bass Mode to get louder and more low-end bass. Dual passive radiators are designed to squeeze the air in a restricted space to deliver a stronger bass effect. IPX6 Waterproof: Solid design with IPX6 waterproof, this waterproof Bluetooth speaker unleashes powerful sound on the go. By the poolside, at the beach, and on outdoor adventures, feast on your preferred tunes anywhere rain or shine fearlessly. Beat-synced Lights: Get ready to light up your indoor and outdoor parties with dynamic mixed-color LED lights that sync to the beat of your music. Choose from 6 different light modes, including breathing, quarter roc