Heil AD-1-C - Collins/Drake Adaptor
headset adapter cable
The Heil AD-1-C is a headset adapter cable which allows you to interface your Heil headset with to your Collins/Drake transceiver!
The AD-1-C cable is required for Heil boom microphone headset models including PROSET Elite, PROSET, the original and reintroduced PRO-MICRO series and BM-10 series headsets, and the legacy PROSET PLUS and QUIET PHONE.
This cable supports all of the Heil Sound Headsets that feature a 3.5 mm (1/8 in. miniature phone) connector for the microphone audio. Each has a female 1/4 in. mono dongle connector on a short wire for PTT keying foot switch or hand switch connection.
Required for: Collins KWM-2 & S-Line, Drake TR-4