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Participant
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Sep 4, 2020

A20 Extrange noise during flight

When flying my A20 it makes a loud and extrange noise.
It's like a descompresion.
It is only in left ear.
And hurts my ears.
Somebody knows what is that ?

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Mar 12, 2020

Re: A20 Extrange noise during flight

Hi There,

One thing to look out for is anything impeding the tight seal around the Ear Cushion - like for instance Sunglasses or Glasses? If the tight seal around the Ear and Cushion is impeded, the ANL will make a low frequency noise rather like having a window open.

If that's not it, then it will most likely be a fault with the ANL and a call to Bose support is most likely required?

Good luck with the solution,

All the best,

Larry