Fully tested and working perfectly. All drivers fire. No damage to cones. Available to demo at your convenience! Type: 2 way, 2 driver loudspeaker system Frequency Response: 40Hz to 20kHz Recommended Amplifier: 25 to 150W Impedance: 8Ω Sensitivity: 90dB Bass: 1 x 200mm profiled GC cone Tweeter: 1 x 25mm soft dome Enclosure: bass reflex Dimensions: 950 x 255 x 370mm Weight: 15.6kg