Type : 5.1 satellite/ Active Subwoofer Drivers : 63.5mm mid, 12.7mm tweeter, 203mm woofer Configuration : 2-Way, 1-Way Sub Sensitivity : 89dB, Active Sub Impedance : 8 ohms, Active Sub Frequency Response : 40-22 kHz, 40-200Hz Sub Power Handling : 500 W, 100 W Sub Dimensions (HxWxD) : 165x95x123mm, 352x317x317mm Sub Weight : 0.8 kg, 9.2 Kg Sub Finishes : Glossy Black