Bose UB-20 Series II Wall/Ceiling Bracket Mount your Bose cube speakers to the wall or ceiling Single bracket.All Bose 2-speaker and 5-speaker home entertainment systems Compatible with all Lifestyle systems; CineMate 520 home theater system; Sound Touch Stereo JC Series II Wi-Fi music system and CineMate Series II digital home theater speaker systems Compatible products: All Bose 2-speaker and 5-speaker home entertainment systems (excluding the Lifestyle 650 system)