induction loop system

British  

noun

1. Often shortened to: induction loop.  a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid

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Example Sentences

The benefit of an induction loop system is that it’s fairly easy to install and cheap to operate.

From Washington Post

It’s called an induction loop system, and the process is pretty simple.

From Washington Post