ST4K 50” Double Row LED Light Bar (96 LED) - Stedi LEDST4K-50-96L

The Pinnacle of Performance. The King of the ST4K Range.

The STEDI™ ST4K 50” Double Row LED Light Bar is the apex of long-range illumination. Designed with Pure Drive™ technology, it channels 97% of input power directly to light output, achieving unrivalled efficiency and beam distance. With an incredible 1 Lux at 1,025 metres, this powerhouse redefines what’s possible from a light bar.

Armed with 96 OSRAM® OSLON® LEDs, the ST4K 50” delivers an outstanding combination of 16 Flood + 65 Spot + 16 Flood reflector optics. This hybrid beam ensures perfect visibility ahead and wide shoulder coverage — giving you the commanding light control needed to tackle any terrain.

Born from the STEDI™ Type-X™ lineage, the ST4K 50” is more than a light bar — it’s a performance benchmark built to dominate the elements and outshine expectations.

🔑 Key Features

✅ Pure Drive™ Efficiency: 97% of electrical power converted directly to light output.
💡 Precision Optics: Advanced flood and spot combination for maximum reach and spread.
🌌 1 Lux @ 1,025m: The ultimate in long-distance LED light projection.
🌈 Crystal White 5700K Colour Temperature: Offers exceptional definition and contrast.
⚙️ Premium Build: A360.0 cast aluminium faceplate and extruded heat sink for extreme durability.
💧 IP68 Rated: Fully sealed against water and dust ingress — submersible up to 3 metres.
🌬️ Gore® Vent Membrane: Prevents moisture build-up and equalises internal pressure.
🔩 Flexible Mounting Options: Choose between sliding mounts or 3 mm 304 stainless steel side brackets with ±15 mm height adjustment.
🔌 Plug & Play Integration: Includes Easy-Fit High Beam Wiring Harness with built-in electronics compatible with both positive and negative switching systems.
📡 EMC & RFI Protection: Ensures zero interference with radios, GPS, and other electronic devices.
💪 5-Year Warranty: Australian-backed no-nonsense replacement guarantee — built to perform, built to last.

⚙️ Technical Specifications

📦 What’s Included

• 1 × STEDI™ ST4K 50” LED Light Bar (96 LED)

• 2 × Brushed Stainless Steel Side Brackets

• 3 × Adjustable Sliding Brackets

• Easy-Fit Plug & Play High Beam Wiring Kit

• HB3 & H4 Piggyback Adaptors

• Cable Ties

• Wiring Instructions