1. Microphones pick up nearby sounds
2. Sounds are analyzed and adjusted by the processing chip customized to your type of hearing loss
3. Processed sounds are sent to the amplifier
4. Amplified sounds are sent to the speaker
5. Sounds are transmitted by the speaker into the inner ear, via tubing in an ear mold in the ear canal, or via a thin wire to a receiver in the ear
6. In the inner ear, sounds are transformed into electrical impulses
7. Electrical impulses are picked up by the brain, where they are processed into sound