Collection: Audiology

What is a hearing aid?
A hearing aid is a small electronic device worn in or behind the ear that helps people with hearing loss hear more clearly. These compact devices use advanced technology to amplify sounds, enhance speech clarity, and minimise background noise, making everyday listening easier.

Most hearing aids consist of three main parts: a microphone, an amplifier, and a speaker. The microphone picks up sounds from the environment and converts them into electrical signals. These signals are then strengthened by the amplifier before being sent into the ear through the speaker.

How does a hearing aid work?
A hearing aid works by capturing sounds and making them louder and clearer for the wearer. It contains four essential components:

• Microphone: Collects sound waves and turns them into electrical signals.

• Amplifier: Boosts the strength of these signals so they are easier to hear.

• Receiver (speaker): Converts the amplified signals back into sound and delivers them to the ear.

• Battery: Powers the device, with options including disposable batteries that last several days or rechargeable batteries for added convenience.

Together, these components help improve hearing by enhancing important sounds, especially speech, allowing users to better communicate and engage with their surroundings.