Blastking PROFILE18 18" 3000 Watts High Output Woofer
Alphasonik 18" Flagship Series 3000 Watts Raw Sub Woofer Speaker Cast | Alphasonik
Amazon.com: Alphasonik 18" Flagship Series 3000 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1832 :
JBL EON718S 1500-watt 18-inch Powered PA Subwoofer | Sweetwater
Professional High Power 18inch Double Magnet Subwoofer 18 Speakers Bass.