Whelen Liberty II DUO+ Wecan Lightbar, 48"

As low as $2,485.00
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This lightbar features an aluminum top, advanced thermal design, and a hard coated lens. Wecan versions allow for unlimited flash pattern programming. The unit is designed with a Collimator optic design and center dividers with liquid injection molded seals. It is backed by a Whelen five year warranty. 
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Shop with Confidence

Redesigned and reinvented for exactly what your fleet needs, the Liberty II builds on the Liberty’s reputation for excellent reliability and performance.

DUO+: Single color or two colour interleaved


  • Aluminum top directs heat away from internal components and protects the lightbar
  • Center dividers with LIM (Liquid Injection Molded) seals protect internal components from water infiltration
  • Each model has one or two sealing points, assuring lightbar integrity in all weather conditions
  • Hard-coated lenses minimize environmental damage from the sun, salt, and road chemicals
  • Point to point wiring between the I/O board and each lighthead allows for easy reconfiguration
  • Whelen’s Collimator™ patented optic design provides unbeaten light output
  • Advanced Thermal Design reduces the stress on LEDs during extended dwell time
  • WeCan® models are programmable with unlimited flash patterns
  • Plug & Play into Whelen or vehicle manufactured controllers (WeCan only)
  • Available with standard mounting feet


  • Dimensions without mounting feet:

2.5” (64mm) H, 11.31” (287mm) W

  • Standard lengths: 44” (110cm),

48” (123cm), and 54” (136cm)


Preconfigured models:

IB8FFFF: Amber & White DUO Color

IB8EEEE: Blue & White DUO with Amber Traffic Advisor

IB8DDDD: Red & White with Amber Traffic Advisor

IB8DEDE: Half Red &White/ Half Blue & White DUO with Amber Traffic Advisor

For custom configurations contact the Sirennet Team.  

Whelen Five Year Warranty

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Liberty-II_Series (624.98 kB)
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