POWER HANDLING (RMS) : 200 WATTS FREQUENCY RESPONSE : ADJUSTABLE 30HZ - 250HZ PHASE ALIGNMENT: NO NOMINAL IMPEDANCE: 8 OHMS POWER CONNECTION: 110/220 VOLTS AUTO ON/OFF SWITCH: NO VOLUME CONTROL: YES LINE INPUT: RCA CONNECTOR SPEAKER INPUT/OUTPUT: LOW LEVEL / HI LEVEL DIMENSIONS (HXWXD): 44.6x43.3.x42.6 CM FINISH: BLACK, SILVER, CHERRY, BEECH GRILLE: BLACK