Used Real 3M Peltor PTT (Not Replica)

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.

Not working with new version metal shell TRI 152 , TRI 148 , TCA 152 , TCA 148 , FCS 148 and FCS 152 radio.