Hearing aid sound is small, this situation may be caused by the hearing aid sound hole or receiver clogging, hearing aid power is insufficient, hearing damage aggravated, and so on.
1. Hearing aid sound hole or receiver clogging: Hearing aids are embedded in the ear canal, the cerumen produced in the ear will cause clogging of the sound hole or receiver of the hearing aid, which will make the sound become smaller.
2. Insufficient battery power of hearing aids: The working condition of hearing aids is affected by the voltage of the batteries, and when the batteries are insufficiently charged, the voltage will also drop, which makes the working condition of the hearing aids poor, and the reception effect will also deteriorate.
3. Increased hearing damage: Some hearing impaired people have increased hearing damage, the original power of the hearing aid can not maintain the normal level of sound reception and playback, and thus the user has described the situation of reduced sound.
It is recommended that when there is the problem of hearing aid sound is small, to the hospital otolaryngology department to consult, timely treatment.