ST4K 28” Double Row LED Light Bar (52 LED) - Stedi LEDST4K-28-52L
$269.99 CAD
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Pinnacle of Performance. Built for the Brave.
The STEDI™ ST4K 28” Double Row LED Light Bar stands at the intersection of power and precision. Designed using Pure Drive™ technology, an incredible 97% of input power is directed straight to the LEDs — delivering maximum efficiency, minimal loss, and a beam that commands the night.
Packing 52 OSRAM® OSLON® high-performance LEDs, the ST4K 28” projects a staggering 755 m beam distance at 1 Lux, while casting 55 m of wide flood coverage on either side. Whether cutting through dust, fog, or pitch-black terrain, this light bar is engineered to perform in every condition.
Born from the STEDI™ Type-X™ heritage, the ST4K series continues our tradition of combining design precision with raw lighting performance.
🔑 Key Features
✅ Pure Drive™ Efficiency: Transfers 97% of power directly to light output for maximum brightness.
💡 Hybrid Optics: 8 Flood + 36 Spot + 8 Flood configuration for wide shoulders and deep forward projection.
🌌 Crystal White 5700K Beam: Produces daylight clarity with superior colour contrast.
💧 IP68 Certified: Fully waterproof, dustproof, and submersible up to 3 metres.
⚙️ A360.0 Alloy Build: Cast aluminium faceplate and extruded heat sink for exceptional heat dissipation and strength.
🌬️ Gore® Membrane Vent: Prevents condensation and pressure build-up.
🔩 Dual Mounting Options: Use adjustable sliding mounts or 3 mm stainless steel side brackets with ±15 mm adjustability.
🔌 Plug & Play Wiring Harness: H4 & HB3 adaptors included for effortless high-beam integration.
📡 EMC & RFI Protected: Ensures no interference with radio, GPS, or communication devices.
💪 Australian Backed: Covered by a 5-Year Replacement Warranty — tested and trusted by STEDI™.
⚙️ Technical Specifications
Specification | Details |
---|---|
LED Manufacturer | OSRAM® OSLON® |
LED Count | 52 |
Effective Lumens | 12,480 lm |
Peak Intensity (Candela) | 574,080 cd |
Beam Pattern | Flood / Spot Combo |
Beam Distance | 1 Lux @ 755 m |
Operating Voltage | 12 V & 24 V |
Current Draw | 11.5 A @ 13.6 V |
Colour Temperature (CCT) | 5700 K |
Lens Material | Optical Grade, Hard-Coated Lexan™ |
Housing Material | A360.0 Cast Aluminium + Extruded Alloy |
Mounting Options | Adjustable Sliding Brackets + 3 mm Stainless Steel Side Brackets |
Ingress Protection | IP68 (Submersible up to 3 m) |
Flood Beam Angle | 50° |
Spot Beam Angle | 5.8° |
Operating Temperature | –40 °C to +60 °C |
Weight | 3.66 kg |
Lifespan | 50,000 Hours |
📦 What’s Included
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1 × STEDI™ ST4K 28” LED Light Bar (52 LED)
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2 × Brushed Stainless Steel Side Brackets
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2 × Adjustable Sliding Brackets
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Easy-Fit Plug & Play High Beam Wiring Kit
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HB3 & H4 Piggyback Adaptors
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Cable Ties
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Wiring Instructions
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