Delivering 600 watts of RMS power, the Selenium by JBL WPU1505-X is a professional 15" woofer designed to meet the sound reproduction requirements in the bass high power range. This woofer is ideal for side fill as well as front of house cabinets. The voice coil of 100mm is resistant to high use temperatures and mold polyimide. The cone is made of cellulose impregnated with special resins to ensure perfect bass reproduction. The new tissue suspension is given a special rubber base treatment reducing distortion and fatigue; this woofer has a dual spider to ensure perfect centering of the mobile set. The speaker housing is made of die cast aluminum and has a low profile. The thermal dissipation is guaranteed by a large central ventilation hole and six side windows in the casing. The WPU1505-X delivers a high degree of performance and reliability.