Details
Low-to-High Impedance Amplifier Compatible with Comtac & MSA Sordin Headsets

Allows low-impedance mics found on some military communications headsets like Comtac or MSA Sordin 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, simple plug and play install between your headset and PTT - Military / NATO-US wiring format
High performance amplification circuit
Made by Armorwerx (a division of The Mercenary Company)