Used Mackie THUMP 18S Powered Subwoofer | Guitar Center
Mackie Serie Thump 18S Subwoofer – Massimo Accordions
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 Thump18S 1200 W 18" Powered Subwoofer with Thump15A Boosted 15" Powered Loudspeaker, Attachment Pole & 20' XLR Cable Bundle
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
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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