PRX418S 18" Passive Compact Portable Subwoofer 800WThe PRX415M is high power, light weight two way loudspeaker system offering a very high level of performance from a speaker that can be placed on a pole or standard speaker tripod stand. The PRX415M is comprised of a 380 mm (15 in) woofer which handles 300 watts (continuous) power. For the high frequencies, the 2414H C 25 mm (1 in) polymer diaphragm compression driver is mounted to a 90 x 50 horn. For use on a tripod or over a subwoofer, JBLs dual