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
Mackie SWA2801z 800W Dual 18-inch Front-Firing Subwoofer • Available from ChurchGear
Mackie SWA2801z Subwoofer At Gear4music, 45% OFF
Mackie SWA2801Z Subwoofer (dual 18 Inch DJ Speakers) - AZ Local Only Watch Item for sale online | eBay
Mackie SRM 2850 Dual 18" Active Subwoofer | Gear4music