| Model | R37 | Power | 300w/pair |
| Chip | 4575 CSP 12 cores | Lumen | 30000LM/pair |
| CCT | 6500K/4300K | Heat Dissipation | Four-copper tube+Aluminum Fins |
| Voltage | 12V | Material | Zine-alloy |
| Warranty | 2 years | Canbus Function | YES, Built in EMC |
| Waterproof | IP68 | Bulb Base | H1 H3 H4/H19/H7 H8/H9/H10/H11/H13/9004 9007/9005/HB3/9006/HB4 /9012 880 /881 /D series |
R37- The heavy-duty quad-copper led headlight bulb of Redsea
The R37 Car Headlight represents the culmination of Redsea's advanced cooling engineering and optical innovation. With its durable zinc-alloy body, massive 300W/30,000lm illumination, revolutionary four-copper-tube with aluminum fins heat dissipation, and universal Canbus compatibility, it delivers uncompromising brightness and reliability for demanding drivers.

The R37 establishes its flagship status through an avant-garde mechanical aesthetic and uncompromising material engineering. Moving beyond conventional lightweight aluminum, the R37 is sculpted from high-density, die-cast zinc alloy with a refined metallic titanium finish. This aerospace-grade material provides superior anti-oxidation resistance, outstanding vibration absorption, and exceptional structural rigidity capable of enduring extreme engine-bay thermal cycles. The chiseled mecha contours and precision-machined cooling vents maximize external surface exposure for passive heat transfer while delivering a bold, luxurious visual identity that instantly sets professional lighting brands apart.

Delivering sustained 30,000lm output requires next-generation semiconductor innovation. The R37 is powered by customized 4575 CSP chips featuring a dense 12-core matrix (55mil) on each side. By optimizing phosphor coating and micro-crystal spacing, the 4575 CSP architecture delivers higher luminous efficiency per square millimeter, lower internal junction resistance, and instantaneous full-power activation (0.1s Instant On). Unlike traditional bulky SMD packages, the ultra-slim CSP substrate ensures a true 1:1 optical focal point identical to halogen filaments, eliminating beam scattering and dark spots.

Precision-Optimized Beam Pattern
Harnessing 30,000 lumens effectively requires optical engineering of the highest caliber. The R37's beam pattern results from hundreds of hours of research and development, focusing on three critical aspects: cutoff precision, hotspot intensity, and peripheral coverage. The optical system creates a razor-sharp horizontal cutoff that prevents light from dispersing above the horizon—a crucial feature for preventing glare and ensuring compliance with road safety standards. Below this cutoff, the system distributes light with exceptional efficiency: a powerful, concentrated hotspot for long-distance vision complemented by wide, uniform peripheral illumination for comprehensive situational awareness. This precise optical control ensures that every lumen of the massive 30,000lm output serves a practical purpose, providing users with the most effective road illumination available in any led headlight system.

Four-Copper Tube Rapid Thermal Management System
To dissipate heat from a massive 300W power system, the R37 introduces Redsea’s revolutionary Four-Copper Tube Cooling Architecture. Four vacuum-sealed sintered copper heat pipes combined with a double-layer high-conductivity copper baseplate pull thermal energy directly away from the LED junctions up to 80% faster than standard single-substrate designs. Paired with a bottom-mounted 18,000 RPM high-speed silent cooling fan and 360-degree aerodynamic aluminum fin channels, core temperatures remain well within optimal limits, ensuring stable lumen output and a true 50,000+ hour operating lifespan.

Beneath the sculpted exterior of the R37 is an impeccably balanced, multi-tier thermal structure. Every component—from the 4575 CSP 12-core light engine and twin copper centerplates, to the four liquid-phase heat pipes, high-density extruded aluminum heatsink, and dual-ball bearing turbo fan—is micro-aligned with aerospace tolerances. This integrated thermal stack forms an unbroken thermal conduction path from chip to cooling exhaust, preventing lumen depreciation, heat-soak failures, and structural fatigue during heavy continuous operation.

IP68 Extreme All-Weather Waterproof Protection
Engineered to defy hostile driving environments, the R37 features an uncompromised IP68 waterproof and hermetic dustproof enclosure. The one-piece zinc alloy chassis, waterproof silicone sealing grommets, and heat-resistant braided wiring harness protect the optical chamber and electrical contacts from torrential downpours, thick mud, salt spray, sub-zero snowstorms, and dense fog. The R37 turns severe weather into a non-issue, delivering unfailing road illumination when drivers need it most.

Comprehensive B2B OEM/ODM Customization Solutions
Tailored specifically for global automotive lighting distributors and brand owners, the R37 offers multi-dimensional B2B customization capabilities to help you dominate local markets:

REDSEA Technology — Your Trusted Automotive LED Lighting Manufacturer
Backed by over 15 years of industry excellence, REDSEA operates a modernized 3,000+ m² manufacturing facility equipped with advanced semi-automated production lines and clean assembly workshops. Powered by a dedicated workforce of 50+ skilled technicians, we maintain an agile daily output exceeding 3,000+ sets per day. With lean supply chain management and ample raw material reserves, we guarantee rapid 7-day fast dispatch for standard orders, ensuring global distributors never miss market momentum. Quality builds trust—and our facility is built to empower your scale.


Build Your Own Brand With Us — From Bare Chip to Finished Packaging
Specialized in private-label empowerment for wholesalers and brand owners, REDSEA offers true end-to-end bespoke customization engineered to help you establish a distinctive competitive edge. We provide flexible housing color finishes tailored to your brand identity, alongside high-precision laser engraving for custom logos on driver housings and key components. To match diverse market demands, our platform supports seamless color temperature customization from 3000K to 6500K, modular chip architectures paired with scalable power outputs from 150W up to 360W, and full engineering support for custom appearance and mold development. From internal optical performance to personalized luxury packaging, we turn your brand vision into market-ready reality.

One-Stop Marketing Empowerment — We Help You Sell More, Faster!
We do not just manufacture lights; we actively help you build and dominate your local market. REDSEA equips global distribution partners with a comprehensive, ready-to-use digital marketing toolkit at zero extra cost, including 4K high-definition white-background product photography, detailed assembly close-ups, and professional unboxing studio videos. To accelerate your commercial campaigns, we also provide ready-to-publish social media posters and tailored, print-ready packaging artwork—ensuring your promotional campaigns are fully prepared for immediate market launch the moment your shipment arrives.

Internationally Certified Quality with Exclusive Patent Protection
We engineer products that meet the highest international automotive standards. REDSEA LED lighting solutions have obtained authoritative global compliance certifications including CE, RoHS, FCC, SAE, as well as certified IP68 waterproof and dustproof reports. Furthermore, our cutting-edge exterior housings and thermal architectures are backed by multiple proprietary Design Patent Certificates. Partnering with REDSEA protects your business against patent infringement and guarantees seamless customs clearance across European, North American, and Latin American markets

Trusted by 5,000+ Partners Across 100+ Countries Worldwide
Over the past 15+ years, REDSEA has established rock-solid long-term business relationships with automotive wholesalers, retail chain operators, and professional retrofitters across Europe, North America, South America, the Middle East, Southeast Asia, and Russia. Through annual showcases at international trade expos (including the Canton Fair and Automechanika) and on-site factory visits, our dedication to reliable quality, open communication, and win-win cooperation has earned the long-term trust of more than 5,000 global partners.
