Power Tube | 300B | Effective Power output | 10 watts per channel | Frequency range | 30Hz-75KHz | Input sensitivity | 1.0Vrms | Input impedance | 100k ohms | S/N ratio | >82dB | | Power consumption | 280W(each) | Power supply | 100,110,120,220,230,240 VAC 50-60Hz (selected when shipped) | Load impedance | 4 & 8 (16) ohms | External dimensions | 260Wx460Dx270H(mm) | Weight | 19kg(each) | |