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LISA TX Alarm Acoustic Transmitter – LISA Alert System


The LISA TX Alarm Acoustic Transmitter for the hard of hearing adheres directly into an existing alarm system, such as fire alarm or burglar alarm. When the alarm sounds a signal is sent to a LISA receiver unit.

1000 in stock


The LISA TX Alarm Acoustic Transmitter is an alarm transmitter for the hard of hearing which connects to any external alarm as a part of a wider alert system.

The included acoustic sensor adheres to almost any alarm system and will detect when the alarm sounds. As a result, this enables you to tie in almost any panel alarm systems – fire alarms, burglar alarms and more – into your Lisa Alert system.

An adjustable sensitivity dial on the transmitter enables you to tune the sensor into detecting only the alarm itself and not other sound. This helps to reduce the risk of false alarms due to background noise.

Please Note: this listing is for a LISA transmitter only and does not include the alarm system or LISA receiver required for the system to function.

Any and all Lisa alert system receivers in range are alerted by the LISA TX Alarm Acoustic Transmitter. What’s more, thanks to the configuration of Lisa receivers the tone or pattern for the alarm event is unique. This means that you can know right away that it is the alarm that requires your attention.



  • Alarm transmitter
  • 1m acoustic sensor pick up to alarm
  • PP3 battery


Technical Information

  • Range: 80m max (dependent on wall thickness and home layout)
  • Frequency: 868MHz
  • Dimensions: Height: 145mm, Width: 50mm, Depth: 40mm


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