Motorola BDN6783, Audio Adapter with PTT and Threaded 3.5mm Accessory Port for Surveillance Equipment or Headsets.

This quick disconnect adapter works with the APX 7000, APX 6000, APX 4000, XPR 7000, XPR 6000 series portables.

Requires a threaded 3.5mm plug on the audio accessory.