JBL Pro JRX218S 1,400 Watt 18″ Inch Compact Passive Subwoofer DJ Sub
JBL JRX218S 18" 1400 Watt Compact Subwoofer Passive Subwoofer with Pole Mount Receptacle. JRX218S 18" Compact Subwoofer. Top mounted, cast aluminum 36 mm pole mount receptacle for the optional SS3BK pole to facilitate use of the JRX218S as a base for a mid-high speaker cabinet.