Our goal is to help you understand more about how hearing instruments function, the different circuits available and the advantages and disadvantages of these different circuits. Hopefully, this article will be in terms which will help clarify some of the circuitry in the hearing aid. Microphones take the incoming signal and filter it to provide the respective frequency response that we desire.
Amplifiers take the resulting signal and make it louder.
The receiver converts the signal back into the acoustical form of the signal that the ear can hear. There are several choices which can be ordered from manufacturers for specific hearing losses. The goal is to provide some degree of amplification of the in-coming signal, as accurately as possible. Amplifier Options Amplifiers maintain the frequency response of the microphone. All amplifiers generate some form of distortion.