Wharfedale IMPACT-X18B 18'' Passive Subwoofer

The Impact-X18B passive subwoofer encapsulates everything Wharfedale Pro stands for – High quality pro audio, at an affordable price. On this occasion we have raised the bar for affordable PA delivering a PA speaker series with a sound and aesthetic comparable to that of a much higher price bracket. Features Full range IMPACT The Impact Series has a desirable high power capacity and clarity. Impact-X18B is rated at 500W RMS (2000W peak) and the power spans down to a 30Hz low-end. Built to take an IMPACT The Impact-X18B is ready for whatever life throws at it. The strong MDF cabinet is covered in a textured black paint to give a durable yet stylish finish, which brings a professional look to any sound reinforcement environment. The finish is extremely hard wearing and is leagues above any other carpet covered cabinet in the same price point. Specifications  Model Name IMPACT-X18B System Type Passive Configuration 18" Subwoofer Frequency Response (+/-3dB) 40Hz-220Hz Frequency Range (-10dB) 30Hz-250Hz Sensitivity (2.83v/1m) 100dB Calculated Maximum SPL @1m 133dB System Rated Impedance 4Ω Size 470mm / 18" Voice-Coil Size 65mm / 2.5" Rated Impedance 4Ω LF Power (re:AES2-2012) 500W