Pinouts >  Headsets, Headphones, Handsfree - mobile phones and other equipment
4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the 2.5 mm plug
MRLG pinout
The pinout should fit 503 devices/models. Click to list>

Warning! Control buttons are NOT standard. For information about control buttons take a look to another pinout

 

Pin Pin
Name		 Description
1 MIC Mic +
2 R_SPKR Right audio speaker
3 L_SPKR Left audio speaker
4 GND Common ground

 

Compatibility list not tested!

Pinout status: +5 -1
According to 7 reports in our database (5 positive and 1 negative) the MRLG 4-pole 2.5mm headset connector pinout should be correct.

Is this pinout
503 Compatible Model(s)
NO DIY devices
MRLG 4-pole 2.5mm headset connector visual pinout:click to enlarge
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