H4 Osram Cool Blue Boost

The OSRAM Cool Blue Boost H4 is a high-performance halogen bulb created for drivers who want a stylish xenon look with a color temperature of up to 5000K. It delivers an extra white, high-contrast beam, giving vehicles a modern, premium appearance while improving night-time visibility.

Equipped with a special blue coating and advanced OSRAM filament technology, the Cool Blue Boost H4 produces an intense white light similar to HID or LED systems, making it a favorite choice for tuning enthusiasts. Unlike standard halogen bulbs, it offers a sharper beam with enhanced contrast for a sporty, high-end effect.

Key Benefits:

• Up to 5000K extra white light with xenon-style effect

• Sporty, modern look for tuning enthusiasts

• Blue coating for intense white beam and high contrast

• Dual-function: low beam & high beam in one bulb

• Perfect for off-road, show cars, or private use

• Made in Germany with OSRAM quality

Technical Specifications:

• Type: H4 halogen bulb

• Technology: High-performance halogen with blue coating

• Power: 100/80W (high/low beam)

• Voltage: 12V

• Color temperature: up to 5000K

• Luminous flux: ~1650 lm (high) / ~1000 lm (low) (not ECE measured)

• Lifespan: Reduced compared to standard halogen (high-performance filament)

• Base: P43t

• Road legality: Not ECE approved – off-road use only

• Packaging: Single or twin pack

• Warranty: No official warranty (performance bulb)

Compatibility:

Fits vehicles with H4 fittings. Ideal for tuning, off-road, and show applications.