Frequency Response : 4 KHz to 27 KHz Average Sensitivity : 94 dB 1 Watt/1 meter Maximum Power Handling Capacity : 75 W (EIA RS426) (8 Ohm system reference) Maximum Voltage : 15 V rms continuous / 35 V rms intermittent Overall Dimensions : 8.9 x 8.9 x 5.5 cm ( H x W x D)