SPECIFICATION
Model No----------------------------0/-1/B
Element……………………………………Back Electret Condenser      
Polar Pattern……………………………Omni-directional
Frequency Response………………20Hz- 20KHz
Sensitivity………………………………35dB/42dB±3dB    
Output Impedance…………………2000Ω± 30%      
Max.Input SPL…………………………135dB      
Power Supply…………………………1-5V/1.5-9V  DC      
Cable………………………………………Φ1.5mm*1.2M      
Dimension………………………………Φ3mm/Φ3.5mm /Φ4mm     
Color………………………………………Skin    
Accessories……………………………Windscreen

Model No..................................2/-3/-7
Element……………………………………Back Electret Condenser      
Polar Pattern……………………………Omni-directional
Frequency Response………………20Hz- 20KHz
Sensitivity………………………………45dB±3dB    
Output Impedance…………………2000Ω± 30%      
Max.Input SPL…………………………135dB      
Power Supply…………………………1-5V-10V  DC
Cable………………………………………Φ1.5mm*1.2M      
Dimension………………………………Φ5mm  
Color………………………………………Skin    
Accessories……………………………Windscreen

Model No..................................-4/-8/-9/A
Element……………………………………Back Electret Condenser      
Polar Pattern……………………………Uni-Directional
Frequency Response………………50Hz- 16KHz
Sensitivity………………………………45dB±3dB    
Output Impedance…………………1000Ω± 30%      
Max.Input SPL…………………………135dB      
Power Supply…………………………1-5V-10V  DC
Cable………………………………………Φ1.5mm*1.2M      
Dimension………………………………Φ7/Φ5/14*8*5mm   
Color………………………………………Skin    
Accessories……………………………Windscreen

Model No..................................-5/-6
Element……………………………………Back Electret Condenser      
Polar Pattern……………………………Uni-Directional
Frequency Response………………50Hz- 16KHz
Sensitivity………………………………45dB±3dB    
Output Impedance…………………1000Ω± 30%      
Max.Input SPL…………………………135dB      
Power Supply…………………………1-5V-10V  DC
Cable………………………………………Φ1.5mm*1.2M      
Dimension………………………………Φ7mm   
Color………………………………………Skin    
Accessories……………………………Windscreen

Each kind microphone  capsule type and cable type Free choice.