GA-0503 Type Plastic Speaker System type: 2 Way Molded Speaker Box Woofer: 5 inch woofer, 7 OZ 25.4 mm VC, 8 Ohm Tweeter: 1.5 inch,13.24 mm VC 8 Ohm Frequency Response: 50-20 KHz (-10 dB) Sensitivity: 92±3dB/M/W Dimensions (W*D*H): 167*157*256 mm Net Weight: 1.4 kg Power: 25-50 W