It's simple: 3 signal + 1 earth = 4 contacts in the Jack.
Buttons and other details can be deleted from the scheme.
melissa.Kozey6 answered on October 3rd 19 at 03:43
And what prevents a regular adapter to use?
arthur.Armstron answered on October 3rd 19 at 03:45
But the macmini does not have a separate port for a microphone? I have a 2011 imac in there, plug in their own headphones with two separate jacks — all worked on hurrah. Or am I confusing you and yuzalsya microphone built-in...
Maxine_Turner answered on October 3rd 19 at 03:47
I see that you already solved the problem, but still...
Why not use a usb sound card? On podobii this? 20-30 Euro to get a very good solution.