~MPA amplifier     
models  MPA4*400 MPA4*500 MPA4*600 MPA4*800
Rated power(1KHz,THD+N=0.1%) 8ohm stereo 4×400W 4×500W 4×600W 4×800W
 4ohm stereo 4×600W 4×750W 4×900W 4×1000W
 2ohm stereo 4×800W 4×1000W 4×1200W 4×1400W
 8ohm bridge 2*1200W 2*1500W 2*1800W 2*2000W
 4ohm bridge 2*1500W 2*2000W 2*2400W 2*2800W
Frequency response             20Hz-20kHz(±0.3dB)   
SN Ratio  20Hz-20kHz  ≧98dB    
Total Harmonic Distortion(THD+N)  20Hz-20kHz.Half Power ≦0.1%   
Slew Rate Rated Power into 8ohm 50V/µs   
Damping coefficient  8ohm、1f=1kHz 400:1 500:1 600:1 700:1
Input Sensitivity       Rated Power into 8ohm  1.0V    
Input Cmrr  8ohm ≧62db   
Inpur Impedance balanced/unbalanced 10K ohm/ Unbalanced,20K ohm/ Balanced   
 Class  AB   
Power triode  2SA1943/NJW21194   
Power Supply     220V/50Hz   
outer packing  cm 70*60*20cm 70*60*20cm 70*60*20cm 70*60*20cm
weight KG 23 25 27 30