The BB2 is a complete, beam mount loudspeaker system consisting of an 8" O.D., dual cone loudspeaker with a 10 oz. magnet and a 5W, 25/70V transformer. Components are mounted on a round, studded baffle that is attached to a steel backbox with two (2) beam clamps for a secure, permanent installation. The BB2 has a white, powder coat finish and is shipped as a fully assembled unit.