Whelen Engineering Company, Inc.
Freedom® IV
5 years warranty
WeCan X

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Whelen’s Freedom® IV Series features advanced Linear Super-LED® optics, DYAD™ two level technology, and 360° of contiguous light.

New WeCanX™ models available

Standard Model:

  • Low profile aluminum extrusion
  • Clear outer domes with clear dividers
  • Available in permanent mount with passenger side cable exit or mode specific driver side option
  • Color domes for center and end sections with optional alley window
  • Hard-coated lenses

Rota-Beam™ Models:

  • Freedom IV F4R Rota-Beam Series Super-LED Lightbars, includes four half corner Super-LED beacons
  • Designed without any moving parts or motors, for long life reliability

DYAD Models:

  • Newly designed corner modules blend light together for 360° of contiguous light
  • Plug & Play into Whelen or vehicle manufactured controllers*
  • Point to point wiring between the I/O board and each lighthead
  • Collimator™ optic design
  • Advanced thermal design
  • Aluminum top
  • Center dividers with LIM (liquid injection molded) seals
  • Hard-coated lenses

* WeCan models only

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.


Freedom IV



12 VDC
Amps 2.2 amps (average) *
Electronics 100% solid-state
Technology Linear Super-LED
Certifications SAE Class 1
Warranty Five year warranty

* Rota-Beam models


Rota-Beam Models

Color modules Amber




Flash Patterns Multiple

DYAD Models:

Optic Technology WeCan® DYAD™ two level technology (single or two color)

allows for individual control of each level of each lighthead, or

Low Current DYAD™ two level technology (single color)

allows for individual control of each lighthead segment (2×2)


Flash Patterns Unlimited*
Add-ons Photocelll

Up to 16 optional directional modules

Smoked lenses and dividers

Color domes

Alley and take-down light options

* WeCan models only