The 8,000-Watt VSX218B is a direct radiating passive twin 18" subwoofer that is ideally suited for a broad range of speech and music sound reinforcement applications in both fixed, portable, and touring audio systems. VSX218B’s superb low frequency reproduction makes it the perfect choice for deployment in clubs, bars, theatres and AV applications. A dual ported bass reflex system, the VSX218B features dual high powered 18" low frequency drivers that provide extended low frequency response to well below 30 Hz – for chest-pounding bass. Fast and accurate transient response enables the VSX218B subwoofer to generate massive quantities of tight low end output that is virtually distortion-free.