With the Bose Acoustimass 300 Wireless Bass Module, you'll experience films, series, and music with extra intensity. The powerful drivers enhance the low tones. This subwoofer is specially designed for the Bose SoundTouch 300 Soundbar. With this composition, the sound will be at its best. You can wirelessly connect the subwoofer to the soundbar, so you won't be bothered by cables running through your room.