It performs like a pro, with technology developed by the JBL Professional division. Equipped with a tried-and-true JBL® PolyPlas™ woofer, the ES250PW delivers unsurpassed low-frequency performance. Special effects in your favourite films are loud and clear, without unwanted distortion or boominess. A powerful amplifier delivers up to 700 watts of peak power. LFE- and line-level inputs provide maximum connection flexibility. And convenient level and crossover-frequency controls, and a phase switch let you tailor the ES250PW’s performance to your room’s acoustics.