Stedi
ST4K 12” Double Row LED Light Bar (20 LED) - Stedi LEDST4K-12-20L
Pinnacle of Performance. Compact Power, Relentless Reach.
The STEDI™ ST4K 12” Double Row LED Light Bar embodies the balance between compact form and uncompromising performance. Built on Pure Drive™ technology, 97% of input power is delivered straight to the LEDs, ensuring every watt counts.
With 20 OSRAM® OSLON® LEDs driving an intense 468 m beam distance at 1 Lux, the ST4K 12” delivers exceptional forward projection while flooding the road shoulders up to 55 m each side — making it the perfect hybrid performer for any driving condition.
Refined through the STEDI™ Type-X™ heritage, this light bar is engineered to handle the toughest environments, with performance and reliability that define STEDI’s DNA.
🔑 Key Features
✅ Pure Drive™ Efficiency: 97% power-to-light conversion for unmatched optical performance.
💡 Hybrid Beam Pattern: 4 Flood + 12 Spot + 4 Flood configuration ensures both width and depth.
🌌 Crystal White 5700K Output: True daylight clarity for enhanced contrast and visibility.
💧 IP68 Certified: Waterproof, dustproof, and submersible up to 3 metres.
⚙️ Premium Build: A360.0 cast aluminium faceplate and extruded heat sink, powder-coated for UV and abrasion resistance.
🌬️ Pressure Equalisation Vent: Gore® membrane protects against fogging, dust, and contaminants.
🔩 Mount It Your Way: Sliding bottom mounts for flexible alignment or 3 mm stainless steel side brackets with ±15 mm height adjustment.
🔌 Plug & Play Compatibility: Easy-Fit ADR-compliant wiring harness with H4 & HB3 piggyback adaptors.
📡 No Interference: EMC & RFI-suppressed circuitry ensures radio and GPS signals remain crystal clear.
💪 Built for Australia: Backed by a 5-Year Replacement Warranty and STEDI™’s renowned build quality.
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| LED Manufacturer | OSRAM® OSLON® |
| LED Count | 20 |
| Effective Lumens | 4,800 lm |
| Peak Intensity (Candela) | 220,800 cd |
| Beam Pattern | Flood / Spot Combo |
| Beam Distance | 1 Lux @ 468 m |
| Operating Voltage | 12 V & 24 V |
| Current Draw | 4.2 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 | 1.61 kg |
| Lifespan | 50,000 Hours |
📦 What’s Included
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1 × STEDI™ ST4K 12” LED Light Bar (20 LED)
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2 × Brushed Stainless Steel Side Brackets
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2 × Adjustable Sliding Mounting 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