Output power: 35W (4 ohm - 8 ohm) Frequency response: 20Hz ~ 20KHz Vacuum tube: 4 x EL34, 2 x 6N2 SNR: >90dB THD: 0.30% Power consumption: 200W Dimension(LxWxH): 370 x 440 x 270mm Weight: 16.50kgs