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Simon245
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Mar 17, 2019

QC35 II High pitched whine in one ear

I bought a set of QC35's yesterday and there is a constant quiet high pitched whine coming from the left ear cup. I've found it only does this when connected with Bluetooth, I have tried multiple devices and it does it with all of them. If I use the cable for the connection it's fine. If I activate the voice prompt button the noise becomes louder while it's talking and then stays like that for a second when it's finished talking before going back to being quieter.

I updated to the latest firmware when I got them.

For £300 I am shocked at this. Unless this can be diagnosed in the next day and fixed I am going to have to return these.

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Simon245
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Mar 17, 2019

Re: QC35 II High pitched whine in one ear

Author Accepted Answer selected by Simon245

I got a replacement from the store I bought the headphones from and these ones are fine. Even after updating to the latest firmware there are no issues. Hopefully they stay like this.

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Simon245
Audible Advocate
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Mar 17, 2019

Re: QC35 II High pitched whine in one ear

Author Accepted Answer selected by Simon245

I got a replacement from the store I bought the headphones from and these ones are fine. Even after updating to the latest firmware there are no issues. Hopefully they stay like this.

View solution in original post