Mass Notification - Public Warning

Whelen Engineering has been manufacturing Emergency Warning-Mass Notification Systems for more than 50 years. Whelen warning systems can be found throughout the world and are the choice of those requiring:

  • Robust and reliable speakers and control equipment designed to be able to withstand extreme events

  • Warning system technology proven time and time again

  • Low cost of ownership

  • A simple interface to enable connection to multiple telemetry options

  • The ability to ALERT, INFORM and DIRECT via Warning tones, pre-recorded messages and live PA

  • A system that can be relied upon to: eliminate confusion, restore order and most importantly SAVE LIVES 


The proven,most effective way of  notifying the largest number of people in the shortest possible time!


Contact Us

Gd Graha Irama Lt 11B

Jl. HR Rasuna Said Blok X1 Kav 1&2

Kuningan, Jakarta Selatan

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© 2016 by Kevin Hidajat