JBL JRX218S 18 inch Passive Subwoofer
The JRX218S sports a massive JBL 18" woofer with a 3" voice coil. Power handling is rated at a robust 350 watts continuous and 1400 peak. JBL JRX218S Passive PA Subwoofer Features at a Glance 18" portable subwoofer system with 3" voice-coil woofer.