GA1008P Plastic Speaker Box System type: 2 Way Molded Speaker Box with BI-AMP (OR MONO-AMP) Woofer: 10 inch woofer, 30 OZ 38.6 mm VC, 4 Ohm Tweeter: 34.4 mm TI. Diao driver, 12.4 OZ 8 Ohm Frequency Response: 50-20 KHz (-10 dB) Sensitivity: 97±3 dB/M/W Dimensions (W*D*H): 380*350*570mm Net Weight: 14 kg Power: 140W