What Are Hearing Aids Made Of?
Hearing aids are tiny digital electronic devices that help people to hear. They process, analyze, and amplify sound in real time. Hearing aids work under more adverse conditions than most high-tech devices. They run for 16 hours a day in ears that are hot, humid, oily and waxy. They are exposed to freezing temperatures in the winter and high heat and humidity in the summer. They must be resistant to rain, snow, perspiration, dust and dirt. So what’s inside those tiny pieces of plastic that help people to hear?
