One earbud has gone quieter than the other

Aug 09,2023
Aug 09,2023 at 11:15 am
Aug 09,2023 at 11:15 am

Hi Earfun Community,


Overnight, my right earbud has significantly reduced in volume and I don't understand what has happened to cause this. The left earbud is working fine. 


I have reset the earbuds, re-paired them with my phone, tried them with various different audio sources and also cleaned them, but nothing has worked. Is there anything that can be done to fix this issue? If not, is this covered under warranty?


I have the Air model (first gen, I think) -


Appreciate any help and guidance.

Thank you,




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EarFun CS Team

Staff Member

Aug 11,2023 at 7:53 am
Aug 11,2023 at 7:53 am

Hi Alex,


Thanks for choosing EarFun. Sorry for the inconvenience caused. 

As for the issue you encountered, we kindly suggest you try the below steps.


A. We kindly suggest you wrap the earbud with your hands, then blow air into the inner filter mesh of the earbud several times to have a try. To provide better sound, the sealing of our headphones is better than that of other headphones when the volume is reduced, perhaps because of the air pressure. When you take it off from your ear, the sound pressure deforms the sound filter mesh.


B. We would suggest you use toothpicks to gently clean out the part near the caps from dust or wax, clean with cotton swab alcohol and then rub them with clean napkins to have a try because accumulated dust or wax on the caps would block out or diminish the volume.


C. If the above suggestions don’t work, we suggest you use a small brush to scrub, rinse the earbuds, then shake the water off the earbuds and dry them for 2 days to have a try.


We also suggest you try to connect the earbuds to other models of devices to test whether it is still the same situation.


If the above methods still could not solve your issues, please email our customer service team via or submit the warranty ticket on our official website: EarFun provides an 18-month warranty for every product. Your satisfaction is always greatly important to us.




EarFun Customer Service Team

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