Low-to-High Impedance Amplifier for Peltor Comtac & Sordin Tactical Vests Fits all standard helmet NVG

Fits all standard helmet NVG shrouds and mount brackets

Quick release buckle for fast doffing/ donning

Mounts using existing helmet holes

Fits small to medium sized helmets

Low-to-High Impedance Amplifier for Peltor Comtac & Sordin Tactical Vests Fits all standard helmet NVGAllows low impedance mics found on some military communications headsets to work with high impedance civilian handheld or general aviation radio systems If you've plugged your military headset into a civilian radio and are having trouble being heard on the other end, this will fix your problem without needing to swap your headset's mic out NATO standard TP 120 U 174 U 93 Helicopter plug ends Military NATO wiring (can be converted to civilian