Mackie DRM18S 2000W 18" Powered Power Active Subwoofer (DRM 18S)
Mackie DRM18S 2000W 18 inch Powered Subwoofer | Sweetwater
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 SR18S 18" 1,600W Professional Powered Subwoofer Black | Guitar Center