Induction Loops

Induction loop systems send an electromagnetic signal to hearing aids, allowing hearing-impaired people to hear more clearly.

Most hearing aids have a ‘T’ or ‘MT’ switch that allows them to pick up the electromagnetic field generated by a telephone earpiece. This signal is converted by the hearing aid into a sound suited to its user’s specific hearing requirements. An induction loop system uses this same principle but generates a much larger magnetic field than that created by a telephone earpiece and radiates it around a room via a ‘loop’ of cable. Any hearing impaired person positioned within the loop can hear the loop signal by switching their hearing aid to the correct position.

  • An induction loop system, therefore, comprises four main elements:
  • The audio source – typically a microphone, a television or a radio (or any combination of these).
  • The induction loop amplifier.
  • The loop – a single turn of wire usually run around the perimeter of the room.
  • The receiver(s) – any behind-the-ear type hearing aid with a ‘T’ or ‘MT’ switch.

Our range of induction loop equipment is one of the most comprehensive in the UK. The size of the field required can vary depending on the application, from 1m2 for ticket booths or bank counters, to in excess of 600m2 for larger installations such as theaters and cinemas. The DL50 amplifier can generate a field of up to 50m2 in a square room (7m x 7m) or up to 100m2 in a rectangular room (5m x 20m) and is therefore ideal for the vast majority of domestic applications, nursing homes TV lounges, etc.

Browse our shop to find a wide range of induction loops and accessories to suit your needs.

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