A1 ULTRA H4 9003 LED HEADLIGHT BULBS - AUXITO'S PINNACLE OF PLUG-AND-PLAY PERFORMANCE

Engineered for drivers who refuse to compromise, the A1 Ultra is our most powerful and brightest wireless, direct-plug H4 LED headlight bulb ever—delivering a groundbreaking 150W and 24,000 LM of pure, intense 6500K white light. Its cutting-edge optical design features a precise 0.039inch(1mm) dual-chip distance to produce a beam pattern that matches OEM halogen cutoffs, eliminating dark spots and glare for seamless road coverage.

Unmatched Brightness & Clarity

Powered by high-performance CSP LED chips, AUXITO H4 LED bulbs deliver an intense 150W output, producing a brilliant 24,000 LM of 6500K cool white light, dramatically improving nighttime visibility for safer driving conditions. 

Precision Beam for Enhanced Safety

Engineered with a precise 0.039-inch chip spacing and a true 1:1 halogen beam pattern, the AUXITO H4/9003 LED headlight bulbs combo delivers a sharply focused, perfectly even light spread without glare. It ensures optimal road illumination while minimizing distraction for other drivers

Universal Compatibility

Intelligent IC driver and CANbus-ready technology make these bulbs compatible with 99% of vehicles, eliminating error messages, flickering, or interference with your vehicle’s electron

Advanced Cooling for Longevity

Built with aviation-grade aluminum, 20,000 RPM turbo cooling fan, and copper baseboard technology to dissipate heat efficiently, ensuring stable performance and a lifespan of 60,000+ hours

Effortless 5-Minute Installation

True plug-and-play design allows for a direct replacement of stock bulbs—no modifications or extra tools required. Upgrade your lighting in minutes

TECHNICAL SPECIFICATIONS