Input power:� 20W

Output power: 5, 10W, 20W

Speaker: 5? wide band speaker

Input voltage: 70V, 100V

Input Impedance: 100V-4K? / 2K ? / 1K? /

70V-2K? / 1K? / 490? /

Frequency response: 110~15KHz (-10dB)

S….