The main components of all hearing aids are the same. The components of the hearing aid are placed in a plastic protective case.


The microphone is used to receive sound and convert the sound into an electrical signal.


The amplifier amplifies the strength of the electrical signal. The filter is used to change the frequency response of the hearing aid, so only electrical signals of a particular frequency are allowed to be amplified.


The receiver is the third basic component of the hearing aid. Its function is to convert electrical signals into acoustic signals.

Microcomputer chip

In addition to the constituent elements common to all of the above three hearing aids, the components of the digital hearing aid also include a microcomputer chip for processing signals to meet the needs of different users.

Some hearing aids are also equipped with special control functions to meet individual adjustment needs. Many hearing aids also feature remote control and multiple adjustment options to give users the flexibility to respond to a variety of issues.

All hearing aids are equipped with a dedicated battery, but the battery capacity will vary. Standard hearing aid batteries can be used for 5 to 14 days depending on the type of hearing aid, the type and capacity of the battery, and the length of time the hearing aid is used.


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