Thunderous bass, wireless connectivity. The Bose Bass Module 700 is the best wireless bass module we’ve ever designed for our home theater systems. This subwoofer offers a sophisticated look and delivers a dynamic range of bass. Plus, the generously sized port virtually eliminates distortion. Love your new Bose soundbar but want to kick the performance up a notch? Add the Bose Bass Module 700 (Bose Black) — it’s the difference between hearing bass and feeling thunder. And it’s the best wireless bass module we’ve ever designed for any of our home theater systems. In fact, it’s the best performance you can get for a subwoofer this size.