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Whelen M9 DUO Series Dual Color Warning/S/T/T/R Light

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SKU: M9D-DUO
$350.99$378.99
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Description

Whelen Engineering has added split-color functionality to their popular M9 Series warning lights to create the M9 DUO Series. As the name implies, this enhanced light now offers dual color warning lights in a powerful LED package. Like the rest of the M Series, this 7.6”W light is designed for high-visibility and features Whelen's advanced linear optics for wide-angle visibility. Wire this light for warning or take advantage of its Stop/Tail/Turn/Reverse lighting options.

Suitable for vertical or horizontal orientation on a vehicle, the M9 DUO–the largest size in the M Series lineup–is ideal for emergency, towing and utility trucks where effective lighting is needed. Equipped with Whelen’s E Block™ and DVI technology, the M9 Series operates efficiently on 12/24V systems without excessive battery drain, providing bright, sustained lighting. Reduced power consumption means less strain on vehicle batteries.

Built for durability and reliability, this surface-mounted light features a hard-coated lens for reduced maintenance and long-term viability. Backed by a 10-year warranty, the sealed electronics and lenses make the M9 DUO Series resistant to damage from dust, debris and harsh weather. Count on quality and clarity over the life of the light and appreciate the minimized downtime due to unnecessary light repairs.

These SAE Class 1 lights are available with chrome or black bezels for added protection and aesthetics. Choose from 18 color/lens/bezel combinations and up to 64 ScanLock™ patterns. The light’s syncing capabilities allow users to adjust lighting to produce a cohesive signal at any high-traffic scene. This customization creates a highly visible, coordinated warning system that maximizes awareness and operational safety in different environments.Certifications

    • SAE Class 1
    • KKK-1822F
    • NFPA 1901
    • NFPA 1917
    • EC65



  • Dimensions: 6.5”H x 10.4″W x 1.4″D
  • Voltage: 12/24
  • 18 color/lens/bezel combinations
  • Syncing capabilities
  • 64 ScanLock patterns
  • Hard-coated lens
  • E Block™ technology
  • Surface mounted
  • Vertical or horizontal orientation
  • Includes two installation screws
  • Chrome or black flanges available
  • 10-year warranty

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Orders requiring Expedited Shipping must be placed by 12 p.m. CST. Orders weighing under 150 lbs. ship via UPS Ground, while orders exceeding that weight may ship via motor freight. All orders must be inspected within 10 days of arrival. Requests to return products must be filed within 45 days. See our full Shipping and Returns Policy by clicking the button below.

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Product Information
Item # MFG # Bezel Color
M9D-DUO M9D-DUO -- --
M9DD-BB M9DD Black Bezel Amber/White
M9DD M9DD No Bezel Amber/White
M9DE M9DE No Bezel Red/Amber
M9DJ-BB M9DJ Black Bezel Blue/White
M9DJ-CB M9DJ Chrome Bezel Blue/White
M9DF M9DF No Bezel Amber/Blue
M9DJ M9DJ No Bezel Blue/White
M9DM-BB M9DM Black Bezel Red/Green
M9DD-CB M9DD Chrome Bezel Amber/White
M9DK-BB M9DK Black Bezel Green/White
M9DE-BB M9DE Black Bezel Red/Amber
M9DF-CB M9DF Chrome Bezel Amber/Blue
M9DK M9DK No Bezel Green/White
M9DE-CB M9DE Chrome Bezel Red/Amber
M9DM-CB M9DM Chrome Bezel Red/Green
M9DM M9DM No Bezel Red/Green
M9DF-BB M9DF Black Bezel Amber/Blue
M9DK-CB M9DK Chrome Bezel Green/White