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Bose A30 Aviation Headset

Sold from 2023 – present

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No audio and noise cancellation in one earcup

If the ANR (Active/Acoustic Noise Reduction) feature in your headphones is not cancelling noise in one side of your headset and you are also not getting sound from that side, try the following:

Check the volume setting on the intercom/radio.

Adjust the volume knob on the intercom and/or radio and listen for a change in the volume level.

Re-insert the headset cable to the aircraft panel.

  1. Disconnect the down cable where it attaches to the panel
  2. Inspect the connections for damage or debris and remove any debris that is found. If there is damage to any the connections, they may need to be replaced
  3. Firmly reconnect the down cable to the panel
Note: Typically, a clicking or popping sound is heard when taking the plug in and out of the jack; this noise confirms the headset is receiving audio.

Determine if the 6-pin-to-G/A adapter is being used.

If using the 6-pin-to-G/A adapter cable, check the condition of the cable and its connectors. If the adapter is damaged, replace it.

In the control module on the cable, check the position of Intercom Mono-Stereo switch.

Try the Intercom switch in the ST and the MONO position and determine if audio returns in both ears.

Connect the headset to a different panel jack or, if possible, to another aircraft.

Non-TSO equipment, worn jacks/loose connections, or incorrectly wired jacks (i.e. reversed stereo or mic / ground wires) in the aircraft can cause issues. If available, try connecting the headset to another jack in the aircraft or to jacks in a separate aircraft. If the headset works fine when connected elsewhere, the panel jack or wiring to the jack is the issue.

Clean the headset cable connectors with isopropyl alcohol.

The connectors at the end of the headset cable might have debris or corrosion on them. Apply a small amount of isopropyl alcohol to a cloth, wipe the metal connectors, then dry them with a clean cloth. Once cleaned and dried, connect the headset and try again.

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
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