VORTEX™ Series

The Battery Operated VORTEX™ Series rotating siren system consists of a speaker assembly and electronics cabinet. The VORTEX™ provides an economical alternative for powerful tone communication without compromising quality.


  • Two models to choose from
  • Speaker array, electronics cabinet, and 50′ cabling all included, all assembled and tested prior to shipping
  • High efficiency 400 watt speaker drivers
  • Tone Only Gear Driven Rotor Local control push-buttons
  • Two compartment (Type I) natural finish aluminum electronics cabinet
  • Minimum of 15 minutes of full power output on battery power, with factory recommended batteries
  • AC temperature compensated 5 amp battery charger
  • Six Standard Public Warning Tones – Wail, Whoop, Attack, Hi-Lo, Alert, Airhorn

WARNING: These products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit whelen.com/regulatory.


  • Solar Power
  • Whelen Approved Batteries
  • Speaker Pole Top Bracket

For complete specifications, including dimensions, download the Product Bulletin.

Vortex Series Brochure


Model Description Downloads
VORTEXR2 One Speaker with Two Speaker Cell Active Install Guide
VORTEXR3 One Speaker with Three Speaker Cell Active Install Guide
VORTEXR4 One Speaker with Four Speaker Cell Active Install Guide