Used Real 3M Peltor PTT (Not Replica)
For Kenwood series radio or K-type radio connector.

Modified amplify parts to use with Real Peltor Comtac 1,2,3,4 headset directly without the impedance problem,make your microphone loud and clear

Not working with the headset using electric microphone, Like Bowman,TASC,Element,Z-Tactical,SKY,FMA,FCS,TCA or TRI Headset