Replacement Upgrade For Mackie SRM-1801 & SRM-1850 Speaker Sub-Woofer 18" 8Ω | eBay
Mackie SWA1801 18" Active Subwoofer • Available from ChurchGear
Amazon.com: Mackie Thump18S THUMP-18S 600W 18 inch Powered Subwoofer Powered PA Subwoofer with Dual XLR Inputs with Four EMB XLR Cable and Gravity Magnet Phone Holder Bundle : Musical Instruments
Mackie SR18S 18” 1600W Professional Powered Active DJ PA Subwoofer Sub
Mackie SR18S 18" 1,600W Professional Powered Subwoofer Black | Guitar Center
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