Gday JA
IIRC, the Jaycar connector is a std CB/Microphone size, whereas the power connectors on the AZEQ5 utilise "mini" CB.Mic connectors.
Much harder to find suppliers of them in Oz.
ed
And after an hour or so of searching, this is the best i can come up with
https://vetco.net/t/categories/autom...mic-connectors
It shows both sizes on one page, but i still cant find any clear specs on the dimensions.
The connectors can be called Mic, CB, Mobile or Philmore ( and im sure there is more )
Andrew