Public Address

The Public Address System (PA) is a zone-based audio notification system used in many facilities such as airports, shopping centers, buildings, hotels, train stations, etc. In addition to its primary function of announcements, the PA system can also play background music for entertainment and relaxation in amusement parks, shopping centers, events, etc.

The components of a PA system include the following main equipment:

  • Central control and zone selection unit
  • Emergency signal transmitter
  • Signal amplifiers
  • Amplifier output monitoring unit
  • Zone selection microphones, emergency announcement microphones
  • Various types of speakers
  • Timer and power supply units


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