power amplifier

1.Input voltage 220V/12v

2.Frequency response: 20Hz 20KHz

Output power: 30w+30w 1KHz champions

Harmonic distortion:≤0.05% 4W 1KHz

SNR: 85dB

High control: 12dB ± 10KHz

Bass control: 12dB ± 100Hz

The signal level: 220MV 47K

 3.Reader, u-disk format: MP3

stereo amplifier(amplifier,power amplifier,car amplifier)