The advanced CVC helmet in active noise control mode which removes low frequency noise mixed into sound space in track vehicles in real time, and improves transmission quality

Frequency range :
.................. 300Hz ~ 3,500Hz
Microphone impendence :
.................. 150Ω±10% (at 1KHz)
Receiver impendence : .
. ..............1,000Ω±10% (at 1KHz)
Input voltage : 24±2VDC
Noise reduction : 9dB~18dB
 
 
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