The&160;DXS18 18" 1020W Active Subwoofer&160;from&160;Yamaha&160;provides powerful bass reinforcement in a compact design, ideal for use alongside the DXR and DSR full-range loudspeakers. The subwoofer has a wooden enclosure with an optimized bandpass design that delivers high SPL levels with minimal distortion. The high-power 18" woofer is capable of reproducing frequencies as low as 32Hz. It is finished with a durable Line-X elastomeric coating.