Headphone w/ Microphone Circuit

charles at embsyspro.com charles at embsyspro.com
Sat Sep 1 20:01:24 UTC 2001

I need to know the basic circuit and connector requirements for a stereo
audio headset jack with a microphone similar to the kind used with cell
phones. Can someone tell me where to look?  I would not have asked such a
simple question, but I have looked a AMP's web site and have had trouble
determining the right component.


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