BOSE | Bass Module 700 Wireless Subwoofer Black | 809108-4100Sound you can feel Love your new Bose soundbar but want to kick the performance up a notch? Add the Bose Bass Module 700 "it TMs the difference between hearing bass and feeling thunder. Designed exclusively for the Bose Smart Soundbar 700, it TMs the best wireless bass module we TMve ever designed for any of our home cinema systems. In fact, it TMs the best performance you can get from a subwoofer of this size. It connects wirelessly to your soundbar