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
Amazon.com: Mackie THUMP Series, 18-Inch 1200-Watt Subwoofer with Professional band-pass design Dual XLR inputs Stereo high-pass and Stereo full-range outputs - Black (THUMP18S) : Electronics
Tapco by Mackie TH18S Thump Active Subwoofer | zZounds
p/n 2033816 Original WOOFER 18" 4 Ohm for THUMP TH-18s Sub , Mackie //ARMENS//. | eBay
Mackie Thump 18S 600W 18" Powered PA Subwoofer with Dual XLR Inputs, Stereo Full-range and Highpass Outputs, Adjustable Level and Polarity Controls, Built-in Handles, and Pole Cup - Walmart.com