MINI MICROPHONE WIRING PHONE JACK
How to Hack a Headphone Jack - Circuit Basics
TRS Audio Jack. TRS audio plugs are found on standard stereo headphones that don’t have a microphone. After you cut into the cable, you’ll probably find one of three common ways these can be wired: Copper wire ground sheath wrapped around two insulated audio signal wires.
3.5 mm, 2.5 mm or 6 mm TRS audio plug pinout diagram
A TRS connector (tip, ring, sleeve) also called an audio jack, phone jack, phone plug, jack plug, stereo plug, mini-jack, mini-stereo, or headphone jack, is a common analog audio connector is cylindrical in shape, typically with three contacts, although sometimes with two (a 71/76(76)