4 pin balanced jack schematics?

Is there a pinout diagram for the L+,L-,R+,R- wiring for the Meizu pro 5 3.5mm jack? From my understanding different manufacturers have different standards for these pins.


@testnia I would like to know this too.

I can’t use the Meizu HD50 with my Xiaomi Mi5; The Volume down button doesn’t work.

My RMN3 Pro have this problem 2. Volume down=volume up.

I am looking for TRRS pinout of Meizu Pro 5 everywhere too.


Just got pinout of EP31S headphones from Meizu support. I am planning to make my own custom cable.


It seems that there is some more info here

Unfortunatley in Chinese.


last edited by staljin

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