Output power: 10W (4 ohm - 8 ohm) Frequency response: 20Hz ~ 20KHz Vacuum tube: 4 x 6P14, 2 x 5670 SNR: >89dB THD: 0.30% Power consumption: 80W Dimension(LxWxH): 310 x 320 x 250mm Weight: 10.00kgs