Mic works in the frontal jack, but it does not in the rear on

As noted in the schematic the mic used should have an impedance of 150-600 ohms which is typical of most mics that are fitted with an XLR

is your headset have 2 jack or it has one jack or is it usb? Acer combined your headset mic and internal mic under the

michael jackson king of pop slot either the Line in or Mic in jack to be Side speaker out through the audio driver You can change the functionality of an audio jack using the audio software

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