Sound Audio Detector

Audio detector detects audio sound from an audio input and switch on a relay output. The relay can be used as an output to trigger/switch on devices like light indicators, motors, lock and other electrical appliances.

Detector can detect signal from an audio line input, and convert it into an relay output to switch on another appliances/system in a very quiet environment or a very noisy zone.

This alternative notification provides an additional means of alarm alert for the users or operators.


  • Detects audio and trigger output in a quiet environment.
  • Alarm alert for hearing impaired individual
  • Convert audio alarm into other forms of alert notification in a very noisy environment.

This is a general purpose audio detector.

Click on this link for more information about this audio detector device.

For customised detector, feel free to contact PIC-CONTROL.