Get ready to feel the earth shake – this 10 in. Subwoofer Stage 3 Upgrade by Rockford Fosgate® elevates your audio experience. This subwoofer has you covered when you’re tearing up the trails rocking out to your favorite tunes. With IP67 rated water resistance, the subwoofer can stand up to the rigors of off-road riding. The included 400-watt amplifier ensures you get powerful, studio-quality sound wherever you ride.