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I've just ordered a microphone for my Pc, and I was just wondering what would happen if I plugged it in my iPhone headphone jack. I fear it might break the microphone, or would the iPhone recognize it as a microphone and "use" it properly?

  • This entirely depends on what kind of microphone it is. What kind of connection does it have? – Linuxios Apr 28 '16 at 15:42
  • @Linuxios It has a stereo jack, but since it is a simple and small mic, I'm unsure wether it uses both channels. – lenny Apr 29 '16 at 10:03
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Nothing will happen. Hopefully. The drive and source signals are as different as night and day. The mic input has a dedicated IC and is normally expecting a condenser mic.

It may also output a 1.5 VDC 'shadow' voltage to drive the mic. The headphone output is another dedicated IC with a stereo output of just a couple of volts. Software does not read these input/outputs because they are dedicated to their functions.

Some headphone outputs have a 4 wire plug so plugging a mic into it could short or overheat the headphone driver IC. Not sure what your trying to accomplish by doing this.

  • I was just wondering what would happen. – lenny May 1 '16 at 12:28

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