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ProFlight Aviation Headset

Sold from 2018 – present

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Microphone picks up unclear sound

If the sound picked up by the microphone on your product is indistinguishable or difficult for others to understand, try the following:

Check the audio panel settings.

On the audio panel, adjust the squelch setting to match the headset mic level. Open or close the squelch setting while speaking into the mic until the mic signal is clear and consistent. Some audio panels have an Auto-Squelch (VOX) feature which can still be manually adjusted using squelch controls.

Determine if any recent changes have been made to the headset or aircraft.

If any changes or modifications have been made to either the headset or the aircraft, look into whether or not those changes could have unexpectedly caused this issue.

Be sure the microphone is positioned correctly.

  1. Position the microphone with its labelled / marked side facing your lips
  2. The microphone should be slightly off center from your mouth
  3. The microphone should not be further than 1/2" (1.5 cm) from your lips
  4. Avoid contact with the microphone and your lips

Check if your own voice can be heard clearly through the headset.

You should be able to hear sidetone (the sound of your own voice in the headset). If you cannot hear sidetone, the issue is not with the headset. Check the settings on the audio panel and/or intercom.

Determine if any non-Bose adapter cables are being used.

The connectors on Bose aviation headsets are built to military specification standards and meet TSO certifications. Microphone audio issues can occur with certain portable radio adapters due to the use of non-military spec microphone jacks. The contacts within the mic jack may not line up properly to make a solid connection to the mic plug. Tolerances across numerous adapter cables have a wide range of deviation.

Try a different adapter, rotating the mic plug or reposition its depth in the jack until a connection is made. If the issue persists, contact the manufacturer of the adapter or device being connected.

Your product may need service.

If the steps provided do not resolve your issue, your product may need service. Follow the link below for more information on how to service your product. Depending on your product and region, you will be provided a contact number or the ability to setup service online.

Click here to start service

The Down Cable may need service.

If the steps provided do not resolve your issue, the Down Cable may need service. Follow the link for more information on how to service your product. Depending on your product and region, you will be provided a contact number or the ability to setup service online.

Click here to start service
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