The TC Sounds LMS Ultra 5400 18" DVC subwoofer uses a combination of sophisticated, patented technology and elegantly executed brute strength to achieve its deserved standing as the loudest, lowest, cleanest mass-produced subwoofer speaker in the world.
Railtones subwoofer provides additional bass support. Plugs into the wall and connects wirelessly to the railtones transmitter. Includes 4" driver. Railtones remote will also control volume on the subwoofer.