I recently bought a new headphones, which have two jacks; One for microphone and one for headphones. My Macbook Air only has one "hole", which is for the entire headset. I bought a reduction. The problem is, neither my Mac nor other computers recognize the external microphone I have wired up through the reduction, not even if I plug the microphone jack itself to the headset hole. (Headphones play sound even if its wired thru the reduction, so the reduction itself is not broken anyway.) I've tried it on several computers and systems, but I'm writing this here because I have a Mac after all.

Hope you can tell me some info on that problem, thanks.

  • Does it work on other computers? – nohillside Dec 24 '15 at 20:16
  • No, it's totally the same as on my Mac. Can't detect external microphone. – Sonicpeta Dec 24 '15 at 20:20
  • So it's either the reduction adaptor or the headphone itself which has a problem. – nohillside Dec 24 '15 at 20:26
  • I'm pretty sure it's the reduction adaptor that's bad. You may have gotten one that's only for output sound and not microphone, since you mentioned that's working on other computers. – Carl Dec 24 '15 at 20:54
  • Im not so educated in this field, but the end of the adapter has 3 stripes, instead of just 2, so i think it's for the mic too, as the shop assistant handed me this one specially when selecting the headphones. – Sonicpeta Dec 24 '15 at 20:57

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