PA & Lockdown Systems

PA Systems lockdown Systems Sound Systems Public Announcements

Download/View the DIVA Compact PA & Lockdown System Brochure

Download/View the NaCTSO Guidance Note

Download/View the Paging System Brochure

EA Combs supplies and installs the DIVA range of PA Systems lockdown systems sound systems public announcements based on direct interfacing to LAN (local area network) and Peer-To-Peer communication infrastructure. Read More

The systems can range from a basic lockdown system to a full system offering lockdown, PA, audio streaming, timed announcements for schools and workplace. The DIVA system is a compact PA/VA system specifically designed for small to medium scale installations. It has all the essential functionality to comply with EN54-16 and BS5839/8 requirements for Voice Alarm, including full system monitoring, loudspeaker line impedance surveillance, microphone surveillance and monitored interfacing with remote devices.

For lockdown requirements the system is easy to install, and lockdown messages can be broadcast inside and outside the building. Emergency lockdown buttons can be placed around the site to ensure lockdown can be covered at all entrances. The audio and audio/video equipment EA Combs supplies from the DIVA range offers the following features:

  • Full Digital Signal Processing
  • Simultaneous Announcements up to 128 zones Emergency Broadcast
  • Powerful & Customized DSP Message Playing
  • Priority Control
  • Modbus, Notifier, Terracom Interface


  • Full Monitoring & Backup Failure Detection
  • EN54-16 Certified


  • Small to Medium Scale Installation


  • Easy Wiring & Configuration


  • Energy & Space Saving

Free site surveys, demonstrations and quotations are available upon request. please contact  [email protected]

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