Front Speakers Woofer: 7.7cm cone type (full range) Enclosure: Closed Impedance: 6 Ohm Frequency Range: 100 - 20,000 Hz Sensitivity (2.83V/1m): 82 dB Maximum Power: 150 Watt Magnetically Shielded: yes (front) / no (rear) Dimensions (W x H x D): 106 x 116 x 106 mm Centre Speaker Woofer: 7.7cm cone type (full range) Enclosure: Closed Impedance: 6 Ohm Frequency Range: 90 - 20,000 Hz Sensitivity (2.83V/1m): 83 dB Maximum Power: 150 Watt Dimensions (W x H x D): 270 x 100 x 106 mm Rear Speakers Woofer: 7.7cm cone type (full range) Enclosure: Closed Impedance: 6 Ohm Frequency Range: 100 - 20,000 Hz Sensitivity (2.83V/1m): 82 dB Maximum Power: 150 Watt Magnetically Shielded: yes (front) / no (rear) Dimensions (W x H x D): 106 x 116 x 106 mm Subwoofer Driver: 16cm cone woofer Enclosure: Bass-reflex cabinet Line Input Sensitivity/Impedance (100 Hz): 300 mV / 47 kΩ Frequency Range: 33 - 700 Hz Power Handling: 160W Peak / 100W RMS Dimensions (W x H x D): 230 x 408 x 344 mm Power Requirements: AC 220-240 V, 50/60 Hz Power Consumption (in use / standby): 25 W