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I have a Macmini 4,1. I tried to use plug headset with mic for skype call, but it doesn't work.

I can hear the voice from the other end, but my voice can't be heard on the other end. I tried with two or three headsets, but results the same.

Then, a friend asked me to try using USB headset, I brought it from one neighbour and now it works fine.why?

Is it a problem of my macmini, or all macmini would behave like this?

Referring to the answer, I have to decide to buy a new USB headset or not.

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  • What plug does the headset have?
    – mmmmmm
    Mar 28, 2013 at 13:41
  • 3.5 mm plug(two plugs red and green for mike and speeker) we can see the holes in the macmini that fits it Mar 28, 2013 at 13:46

3 Answers 3

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Here are the specs for this mini according to Wikipedia. Note that this Mac (and most Macs I'm familiar with) has an audio line-in which is a high-level input, but no mic-in (low level). That means you'll need an external microphone amplifier between the mic and the line-in input. The USB mic is doing all of that for you - amplifying the mic and converting the audio signal to digital.

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When you plug the cable in for the microphone, you may also need to enable this input in System Preferences. Go to System Preferences > Sound > Input and make sure your headset is listed and selected here.

I've found that USB audio devices typically auto-select themselves when plugged in, but devices plugged into the audio jacks don't normally auto-select.

If this doesn't work for you, you may need to get the Mac mini looked at by a tech, as it could be indicative of an actual hardware problem.

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  • From the OP's comment, I suspect he's got a headset with separate jacks for the headphones and the mic, and is trying to plug the mic jack into the mini's audio line-in, which probably won't work, or will at least require him to use line-in and not microphone as his audio source...
    – Dan J
    Mar 28, 2013 at 16:25
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New Mac Minis have "Mic In" ports, but you have to use the 4-conductor phone-type plug - the mic in is one of the contacts on the headphone-out plug.

So in this case you'd need an adapter (like what you'd use to use the headset with an iPhone).

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