Peltor Helmet to Terraphone / Graytronics Intercom Amplifier

Peltor helmet to Terratrip / Graytronics amplifier adapter. Used with a Terraphone Clubman or Professional intercom amplifier (also compatible with a graytronics brand amplifier).

Ideal when your navigator turns up with a Peltor helmet or headset without telling you, grab one in case, better than shouting!