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가원인터내셔널(주)
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   

Frequency range : 300Hz ~ 3,500Hz
Microphone impedance : 150Ω ± 10% (at 1KHz)
Receiver impedance : 1,500Ω ± 10% (at 1KHz)
Input Voltage : DC24 ± 2V
Noise reduction : 9dB ~ 18dB
 

 

 

 

 
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