Product Overview
Snow and ice are no match for the JW Speaker Model 274, a groundbreaking 2″ x 6″ heated LED signal light built to deliver unmatched visibility in harsh winter conditions. Designed as a drop-in replacement for standard 6″ oval trailer lights, the Model 274 is equipped with SmartHeat® technology that actively de-ices the lens to maintain signal clarity — ensuring your stop, turn, and tail lights stay visible when safety matters most.
With multiple color and function options including red stop/tail/turn, amber front and rear signals, white reverse, and amber side markers, the Model 274 is your complete solution for 360° vehicle lighting. Durable, sealed, and DOT-compliant, this light keeps you visible, legal, and protected in any environment.
Key Features & Benefits
SmartHeat® Heated Lens Technology
Automatically melts snow and ice off the lens to keep your signal lights visible in extreme cold — a must-have for winter fleets, long-haul rigs, and northern climate operators.
Drop-In Retrofit for Standard 6″ Oval Lights
Compatible with standard rubber grommets and mounting flanges, the Model 274 fits easily into existing vehicle setupsJW Speaker Model 274, making installation fast and straightforward.
Multiple Mounting Options
Install vertically or horizontally using flange, grommet, or L-bracket mounts (sold separately) for maximum flexibility in any application.
DOT-Compliant and Road Legal
Each model meets FMVSS 108 regulations and is etched with the DOT compliance marking — ensuring you’re safe and legal on the road.
Superior IP69K Rated Protection
Completely sealed against water, dust, and pressure washing — ideal for construction, agriculture, snow removal, and off-road applications.
Rugged, Vibration-Resistant Design
Solid-state LED construction and high-impact polycarbonate lens withstand shock, vibration, and harsh jobsite conditions with ease.
Low Power Draw, Long Life
Efficient LED technology offers long-term durability and significantly less power consumption than halogen or incandescent systems.
Optional Flash & Strobe Models Available
Certain configurations support multiple strobe patterns for enhanced visibility in high-risk or work zone environments (requires 6-pin connector).
Performance / Compatibility / Use-Case
The Model 274 is ideal for:
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Heavy-Duty Trucks & Trailers
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Snow & Ice Control Vehicles
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Agricultural Equipment
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Construction Machinery
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Specialty Vocational Fleets
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Municipal and Utility Vehicles
Whether you’re outfitting a plow truck or replacing trailer lights, the Model 274 is the durable, cold-weather-ready upgrade that delivers clarity and compliance.
Installation / Fitment / Technical Details
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Shape: Oval
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Size: 2″ H × 6″ W
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Lens Material: Clear Polycarbonate
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Housing Material: Polycarbonate (Black)
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Mount Type: Grommet, Flange, or L-Bracket
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Connector Type: Bare Leads (Flash/Strobe models require 6-pin harness)
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Input Voltage: 12–24V DC
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Operating Voltage: 9–32V DC
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Heater Activation: Black wire must be connected
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IP Rating: IP69K – sealed against water, dirt, and pressure washing
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Compliance: DOT Compliant (FMVSS 108)
Build Quality / Warranty
Warranty: 5-year manufacturer warranty.
What’s Included
(1) JW Speaker Model 274 Red Stop/Tail/Turn Light
Color Options:
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Red Heated Stop/Tail/Turn Light
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Amber Heated Rear Turn Signal Light
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White Heated Reverse Light
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Amber Heated Front Position & Turn Signal Light
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Amber Heated Side Marker Light
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Flash/Strobe Options (Requires 6-Pin Connector)
Grab the JW Speaker Wire Harness: 3-Pin AMP Connector Wire Harness Assembly
Frequently Asked Questions
Why choose this product?
For a number of reasons:
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Industry-first heated signal light in a 6″ oval form factor
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Drop-in compatible with minimal install time
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Keeps your vehicle visible and road-legal in all conditions
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Rugged enough for snowplows, trucks, and jobsite fleets
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Available in multiple colors and signal functions
