POWER HANDLING (RMS) : 175 WATTS FREQUENCY RESPONSE (+/- 3dB): 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): 40x40x40 CM FINISH: BLACK, SILVER, CHERRY, BEECH, MAHOGANY, MAPLE GRILLE: BLACK