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AD-1-K: Heil Sound Headset Adapter Cables are used to interface your Heil headset to your favorite transceiver. AD-1 series cables are required for Heil boom microphone headset models. All Heil Headset Adapter Cables use commercial-grade microphone connectors with dual-exit cable clamps. If you have several brands of transceivers, individual adapter cables may be connected to each radio, so you may quickly and easily move your Heil boom microphone headset from one transceiver to another.
NOTE: These Heil Headset adapter cable assemblies handle mic audio and keying, NOT the headphone audio. The stereo male plug on your headset cable connects directly to your transceiver headphone jack, not to the AD-1 series adapter cable. Headsets typically include stereo 1/8 in. (3.5mm) to 1/4 in. (6.35mm) headphone audio adapters.