Bose® - Acoustimass® 300 Wireless Bass Module Add more bass to your SoundTouch 300 soundbar with the black Bose Acoustimass 300 Wireless Bass Module. It connects to the soundbar wirelessly and features a 10" woofer in a ported cabinet. For Use with the SoundTouch 300 Soundbar 10" Woofer Wireless Connectivity Ported...