Mackie Thump18S 600W 18 inch Powered Subwoofer| J.W. Pepper
Mackie Thump 18S 18" 1200W Powered DJ PA Subwoofer with Professional band-pass design Dual XLR inputs Stereo high-pass and Stereo full-range outputs - Walmart.com
Mackie DRM18S-P DRM Series 18" subwoofer — 500W continuous at Crutchfield