Lockdown Alert Systems

Our system is known as the Harmony School Alert Lockdown system, which enables live messages via a microphone or pre recorded voice alerts to be broadcasted by a series of panic buttons in the event of a threat. Also can be used as a public address system.

  • Lock down
  • Dangerous Dog
  • Disturbance In Local Community
  • Major Fire In Close Proximity
  • Intruder On School Grounds

Our unique PA system features also a unique built in Class Change system also, and will run on your existing IT network or our sub network which can be configured for only for the PA System ? class change system. The system uses PoE (Power over Ethernet) which powers the system so no need for power supplies to each speaker making the system easy to install and scalable.


Multi Button Control Panel 4 or 8 Buttons

Alert Lockdown 4 button Remote Control

Indoor Speaker

Flashing Beacon

The Harmonys system advantages –

  • The system can broadcast live messages and emergency alerts or announcements through a microphone, mobile (pre-record then send) or phone via GSM.
  • School Lockdown / Alert message can be activated at the press of a button ( via remote or phone multi functional keypad)
  • Special Schools – Flashing Beacon ( These can Flash Red in lockdown, Green in Clear of lockdown and Blue/White Class Change / wet play )
  • Programmed class change bell / sounds can be produced
  • It has the ability to zone buildings
  • It comes with 18 pre-loaded bell soundings and has the ability to hold 30 MP3 bell soundings
  • The sounders can be mounted on the ceiling or wall and can also be used indoor or outdoor
  • The system is able to synchronise with clocks, giving accurate timing
  • It also has a Control Box which enables the user to activate bells or messages immediately through the press of a button
  • The system can broadcast music from SD cards, USB’s, CD’s at special events
  • Play Live Internet Radio