ERZHEN G-Class Digital Power Amplifier Professional 2/4 Channel Power Amplifier #450W4

Technical parameter output (8 Q, 1kHz): 2x650W 
Output (4 Q, 1kHz): 2x130W
Frequency response: 20Hz~20kHz ± 3dB 
Total distortion: 1% (8Q, 350W)
Input sensitivity:+4dB * (1.23V)
Input impedance -1nko (l (. 2sv). 
NDAN signal-to-noise ratio: ≥ 80dB
1/8 rated power consumption during operation: 50W, 80W, 110W Working environment temperature range: 0-50 ° C
Power supply voltage: AC110~240V (internal jumper switching)