SPECIFICATION Model G-35 Speaker Driver 8 Inch Full Frequency Speaker Impedance 8 Ohms RMS Power 35 W Input Impedance 220 Kohm Input Sensitivity 50mV(1KHz) S/N 76dB Frequency 20Hz~20KHz Power Supply AC 110V~240V;50Hz~60Hz Material Medium Density Fiber Board,PVC Main Color Yellow Features (1) 3 Band EQ:Bass,High,Contoures Adjustment;(2)Cabin Distortion Timbre;(3)Selector Drive,Gain,FDD ,VOL & Reverb Adjustment;;(4)1Headphone Output;(5)Line Output. Size 41x21x32cm