Mackie SR18S Professional Powered Subwoofer (1600 Watts, 18")
Mackie Thump18S 18" powered subwoofer — 1,200W peak at Crutchfield
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