| parameters | 
             
            
              Stereo Output Power 8Ω :250WX2 Stereo Output Power 4Ω :450WX2 Frequency response :20HZ-20KHZ(0.3dB) Total harmonic distortion :<0.3% Input sensitivity/impedance line :0.707MV/51KΩ Microphone input sensitivity/impedance :0.5MV-100MV/2KΩ Fan :Signal control variable speed Output/short circuit capability :2-16KΩ Recommended output impedance :8Ω Power supply :AC220V/50Hz-60Hz Size :433*350*132MM | 
             
            
              | Feature | 
             
            
              1:FBX howling functions, make you worry-free     2:USB player let you more easily play a variety of music 3:48V phantom power for condenser microphones 4:Concealed knob adjustment, keep the music not be adjusted 5:Best chip combination reverb, sing effect more perfect 6:Top chip combination, United States company Super MIC CPU functions, intelligent design, simple operation 7:High-fidelity sound, dynamic output 8:Perfect protection function to ensure long-term stability | 
             
            
              | Technology | 
             
            
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