POWER HANDLING: (RMS) 100 WATTS FREQUENCY RESPONSE : ADJUSTABLE 35HZ - 150HZ PHASE ALIGNMENT: 0 - 180 NOMINAL IMPEDANCE: 8 OHMS POWER CONNECTION: 110/220 VOLTS AUTO ON/OFF SWITCH: YES VOLUME CONTROL: YES LINE INPUT: RCA CONNECTOR SPEAKER INPUT/OUTPUT: LOW LEVEL / HI LEVEL DIMENSIONS (HXWXD): 34x31.5x29.1 CM FINISH: BLACK, SILVER, CHERRY, BEECH, MAHOGANY, MAPLE GRILLE: BLACK