2.5mm or 3.5mm

Mike Montour mail at mmontour.net
Sat May 31 06:37:55 CEST 2008

Joerg Reisenweber wrote:
> your link: that's it
> Thanks for sharing your thoughts and giving this link

If you do choose a 4-pin 3.5mm connector to be compatible with iPhone 
(or with another major vendor), please double-check that you use the 
same pin assignments. This forum post:


says that the iPhone plug uses: tip=R, ring1=L, ring2=Common, sleeve=Mic 
(which is not what I would have guessed).

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