Troubleshooting : A.N.C. not working

Short answer

Push and hold the A.N.C. button for 2 seconds to turn it on or off, or push it quickly to toggle between modes. If the issue persists, perform a factory reset.

If you are having issues with the Active Noise Cancelling (A.N.C.) functionality, try these troubleshooting tips to resolve the issue:

Push the A.N.C. button for 2 seconds to turn noise cancelling on. Short press the A.N.C. button to toggle between modes.
Check the noise cancelling level in the Marshall Bluetooth app.
If the issue persists, perform a factory reset. This will restore the headphones to their original settings.

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