HEARING AIDS POSTED BY TONY BRUCE APR 12, 2023 NEWS VIEWS (26) WHAT IS A HEARING AID? A hearing aid is a small electronic device that helps compensate for (but not cure) mild to profound hearing loss. Hearing aids come in a wide variety of styles and sizes and can be worn by people of all ages struggling with hearing loss. Hearing aids are medical devices regulated by the Food and Drug Administration (FDA). They are fit and sold by state-licensed hearing care professionals—audiologists typically have the most training with them. A handful of manufacturers dominate the market and produce hundreds of types of aids with various components and technology levels. HOW DO HEARING AIDS WORK? A hearing aid typically contains a microphone, amplifier and speaker. The microphone picks up acoustic sound waves and converts them into electrical signals, which are then processed and enhanced by the amplifier. Those signals are then sent to the speaker, which converts them back into sound w