The JBL JRX118S 18" Compact Subwoofer will make your windows ask for mercy. Driven by a massive 18" woofer with cast-aluminum frame and 3" voice coil, it's rated at 350W and contains settings for the dbx DriveRack controller (sold separately), helping you get top performance out of your JRX100 system. 123dB maximum SPL, 55Hz-300Hz frequency response, 350W continuous power handling, 1,400W peak.
