Featuring the exclusive 4-layer voice coil: “QUATTRO” for high force factor (BL), this Qlex loudspeaker is perfectly suited to the most demanding High SPL systems. This powerful 18″ ferrite subwoofer brings you 3200 watts of program power (1600 W AES) with ultra-low distortion and air noise thanks to its aluminum demodulation ring and FEA-optimized magnetic circuit. Suitable for bass reflex speakers, pass-band designs and horn-loaded systems. This Sub offers an XDamage of 60 mm. 18QLEX1600fe will give you a deep, clear and powerful response with reduced weight. Heat dissipation across the entire LEX family is enhanced with exclusive Maltcross® technology, allowing greater amounts of electrical energy to be handled, with a superb total SPL to weight ratio,