When does the sound of the hearing aid become smaller? At home, you can change it with a new battery to see if it is the reason. If it is not for this reason, I suggest you go to the hearing aid store and let the professional check the microphone and receiver. Whether the sound hole is blocked or not is caused by the moisture, and it is ok to analyze the problem specifically.
There are several factors in the hearing aid sound.;
1 ..Is the battery fully charged?
2.Volume debug size is not suitable
3.Whether the hearing aid is damp
4.Whether hearing loss
5.Whether the original hearing aid is aging
It is recommended to go to the fitting center to find a staff member to solve.
Link：How is the sound of the hearing aid getting smaller?
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