Mode DSP906 Full-range Speaker / HF Driver 8"x1 Normal Power 10W Max Power 20W Line Voltage 70-100V Sensitivity(1m,1W) 92dB Max Sound Pressure Level(1m) 102dB Freq. Resp. 80-15,600Hz Hole for Mounting ?45x?80mm Dimensions 180x?80mm Weight 2kg