krandolphsmith@aol.com
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Nov 24, 2019

Re: 700 Noise cancelling headphones left ear cup has stopped working

I have not fixed them. I accept that the voice will never say that the charge is full. I will continue to go by the steady white light on the headphones, to let me know that the charge is full.

Lalan
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Mar 20, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

But the left ear cup is working?

 

krandolphsmith@aol.com
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Nov 24, 2019

Re: 700 Noise cancelling headphones left ear cup has stopped working

Yes, i hit something on my laptop that cut out the sound on the left ear cup. I went to system preferences and fixed it.

Mel9087
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Jul 11, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

Please any solutions to this?

Vicky_W
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Re: 700 Noise cancelling headphones left ear cup has stopped working

Hello Mel9087, 

 

Let's explore this further. 

 

Have you tried the steps mentioned by @Hector_B as this would be a great place to start? 

 

Let me know how this goes. 

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Mel9087
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Jul 11, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

Yes, but it didn't resolve the issue.

No sound in the left ear cup even when I use the audio cable and the device turned off.

Tegan_M
Moderator

Re: 700 Noise cancelling headphones left ear cup has stopped working

 

I am very sorry to hear this persists. 

 

If you have attempted the provided troubleshooting in this thread, please contact your local Bose product support team. You can reach out to your local support team via clicking this link and selecting your region, this ...e. Please scroll to the bottom of the website and there you will find a 'Contact Us' tab, this will provide you with all the relevant contact information for your country.

 

Thank you.

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Master Q
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Mar 4, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

I am having same issue. Have followed all these steps to no avail. Can anyone help?

brownwheel@gmail.com
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Nov 23, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

In my case:

  • headphones working fine
  • updated firmware with app on phone
  • left ear cup stopped working when paired with mac book pro
  • (on mac, not phone) opened system preferences --> sound --> output
    • clicked on bose 700
    • noticed the 'balance' slider was set all the way to the right
    • moved it to center

Fixed.

 

Frank12345
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Oct 17, 2020

Re: 700 Noise cancelling headphones left ear cup has stopped working

Same problem here. Am out of warranty and this is already a replacement model after the ACH 700 failed during the warranty period entirely.

Dont buy the ACH 700. Good specs, works well until it does not, which is fairly likely to happen.

I will switch the brand.