What are Hearing Loop systems?

Hearing loop systems consist of a transmitter connected to a sound source such as a microphone or mixer board, TV, or computer, which sends sound to an amplifier and then along an antenna wire which is looped around the area where the listeners will be (either sitting or standing).  There are multiple ways for listeners to receive the sound travelling through a hearing loop system, including directly to their telecoil-equipped hearing aid(s), cochlear implant(s), using a telecoil-equipped hearing loop receiver, or a direct audio feed with a headset from a hearing loop amplifier.