For your most demanding applications, the DRM18S-P 2000W 18” professional passive subwoofer features custom a high-excursion woofer housed in a texture coated 18mm plywood cabinet. Designed to match the rest of the DRM Series perfectly, the DRM18S-P is stackable, flyable, and is equipped with a pole cup for maximum versatility. Combine with MX Series Amplifiers* and the SP260 Loudspeaker Processor for a complete Mackie professional system.