POWER HANDLING (RMS) : 150 W FREQUENCY RESPONSE : 35 hz - 150 hz PHASE ALIGMENT : NO NOMINAL IMPEDANCE : 4 ohms AUTO ON/OFF SWITCH : YES VOLUME CONTROL : YES LINE INPUT : RCA SPEAKER INPUT/OUTPUT : LOW LEVEL/HI LEVEL POWER CONNECTION : 110/220 DIMENSIONS : 370 x 360 x 330 mm COLORS / FINISH : WHITE - BLACK - SILVER -