I have a relative with hearing impairment. I want to build a simple device for him, because the commercial types are very expensive. Can you help me?

Ideal hearing aids should have their specifications established through an audiometric exam. This exam will determine which frequencies of sounds should be reinforced and which do not need to be. If a common amplifier is made, it will not be good for the person as it can boost frequencies improperly, aggravating the problem before helping. Thus, for people who have hearing problems what is recommended is the device determined by a professional after the exam. What are there for those who simply want to “hear weak sounds” or for recreational purposes, headphone audio amplifiers likemany you can find in our site.

 

 

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