Tactical Radio Amplified PTT for Headset w/ Quick Disconnect(Hirose): NATO/Military Wiring, Gentex, Ops-Core, OTTO, 3M Peltor ComTac, XPI, MSA, Helicopter, & More - Quick Disconnect Harris: XL-150/P, XG-100/P, XL-185/P/Pi, XL-200/P/Pi, XL-400P N: PT PTTV1 29RR A: The Material Comms PolTact Tactical Military Grade Quick Disconnect Push To Talk(Amped PTT) Adapter For Harris(L3Harris): XL 150 P, XG 100, XG 100P, XL 185, XL 185P, XL 185Pi, XL 200, XL 200P, XL 200Pi, XL 400. Helicopter Helmet Comms Compatible! Checkout the New V2 Version w 2 Push To Talk Buttons Compatible w : NATO Military wired headsets. Commonly for headsets w Dynamic Low Impedance Microphones: Gentex, Ops Core, David