SPECIFICATION

C-300
Cartridge：                       Condenser       
Directivity：                       Cardioid　    
Frequency Response： 50Hz-18KHz　    
Sensitivity：                      -45dB±3db（0dB=1V/Pa at 1KHz）　    
Output Impendence：    250Ω±30%(at 1kHz)　   
Max SPL:                           130dB（at 1kHz≦1% T.H.D）   
S/N ratio:                            70dB 
Power Supply:                   Phantom 48V /1.5V AA Battery  

K-30
Cartridge：                        Dynamic       
Directivity：                        Cardioid　    
Frequency Response： 30Hz-16KHz　    
Sensitivity：                      -49dB±3db（0dB=1V/Pa at 1KHz）　    
Output Impendence：    300Ω±30%(at 1kHz)　 

K-31
Cartridge：                       Dynamic       
Directivity：                      Cardioid　　    
Frequency Response：50Hz-16KHz　    
Sensitivity：                    -54dB±3db（0dB=1V/Pa at 1KHz）　    
Output Impendence：   600Ω±30%(at 1kHz)　   

System Consist of：

Bass Drum microphone 1pcs(K-30)   
Snare drum microphone 4pcs(K-31)   
Condenser microphone 2pcs(C-300)   
Clips for condenser mic 2pcs  
Clips for Snare mic 4pcs 
3/8 to 5/8 screw 4pcs   
3/8screw nut 4pcs 
wind cotton 2pcs