Panasonic KX-T77xx Headset Mono pinout

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connector or cable wiring scheme

4 pin 3.5mm (2.5mm) plug connector layout 4 pin 3.5mm (2.5mm) plug connector

Pin Name Description
1 MIC Mic (+)
2 AUDIO Audio (+)
3 GND MIC (-)
4 GND Audio (-)


  • I had dificulties finding this pinout for making my own headset from a Nokia cellphone.


Category:Cellular Phones Connectors


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