Mackie Thump18S 1200 W 18" Powered Subwoofer with Thump15BST Boosted 1 – KELLARDS
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