Add powerful, effortless bass to your boat without the hassle of mounting separate external amplifiers or running complex multi-channel wiring. As the ultimate all-in-one bass solution, the Bazooka MBTA Amplified Marine Bass Tube combines a waterproof woofer, a built-in power amplifier, and an onboard crossover filter inside a single marine-grade cylindrical enclosure. Engineered for seamless electrical and audible integration with factory or aftermarket marine source units, this powered subwoofer delivers clean, rich low-frequency output across open decks. Made with stainless steel hardware and certified to resist salt, fog, and UV exposure, it provides effortless installation, rugged coastal durability, and deep acoustic punch on every voyage.