Love your new Bose Soundbar 700 but want to kick the performance up a notch? Add the Bose Bass Module 700—it’s the difference between hearing bass and feeling thunder. Designed exclusively for the Bose Soundbar 700; it’s the best wireless bass module we’ve ever designed for any of our home cinema systems. In fact; it’s the best performance you can get for a subwoofer this size. It connects wirelessly to your soundbar and adds even more depth and impact to everything from explosive movie effects to house-rocking playlists. - Premium glass top finish - Wireless connectivity to soundbar - Deep bass performance with virtually no distortion What's in the Box: - 1x 240V Bass Module 700 - Black - 1x Power Cord