Specification: – 150 Watt System – 2 Way Bass Reflex Tweeter – 1” textile dome Mid-Range - - Woofer – 7” inverse dustcap Impedance ? - 4-8ohm Sensitivity (2,83 v/1m) – 89 dB Frequency Response ±4dB – 35-22,000 Hz Cabinet Finish – Black Dimensions (HxWxD) – 835 x 220 x 300mm Weight (net) – 13.1 kg .