---
product_id: 286374075
title: "XENARC® Cool Blue Boost, D4S, Xenon Headlight Lamps, Hid Headlamp, 66440Cbb-Hcb, Hyper Blue Light, 42V, 35W, 7000K, off-road use only, Duo Box (2 lamps)"
brand: "osram"
price: "7159771₫"
currency: VND
in_stock: true
reviews_count: 3
category: "Osram"
url: https://www.desertcart.vn/products/286374075-xenarc-cool-blue-boost-d4s-xenon-headlight-lamps-hid-headlamp
store_origin: VN
region: Vietnam
---

# 5000 hours lifespan 35W Xenon power 7000K hyper blue light XENARC® Cool Blue Boost, D4S, Xenon Headlight Lamps, Hid Headlamp, 66440Cbb-Hcb, Hyper Blue Light, 42V, 35W, 7000K, off-road use only, Duo Box (2 lamps)

**Brand:** osram
**Price:** 7159771₫
**Availability:** ✅ In Stock

## Summary

> 💙 Light up your off-road legacy with OSRAM’s hyper blue boost!

## Quick Answers

- **What is this?** XENARC® Cool Blue Boost, D4S, Xenon Headlight Lamps, Hid Headlamp, 66440Cbb-Hcb, Hyper Blue Light, 42V, 35W, 7000K, off-road use only, Duo Box (2 lamps) by osram
- **How much does it cost?** 7159771₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/286374075-xenarc-cool-blue-boost-d4s-xenon-headlight-lamps-hid-headlamp)

## Best For

- osram enthusiasts

## Why This Product

- Trusted osram brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Off-Road Exclusive:** Designed specifically for off-road use, perfect for the bold and adventurous professional.
- • **Duo Box Convenience:** Two premium D4S lamps in one pack—ready to upgrade both headlights at once.
- • **Efficient Xenon Power:** 35W Xenon technology delivers bright, energy-smart lighting for extended journeys.
- • **Hyper Blue Brilliance:** Illuminate your off-road adventures with a striking 7000K cool blue glow that turns heads.
- • **Long-Lasting Performance:** Up to 5000 hours of reliable illumination keeps you ahead on every trail.

## Overview

The OSRAM XENARC Cool Blue Boost D4S Xenon headlight lamps deliver a striking 7000K hyper blue light with 35W power, engineered for off-road use. Featuring a long 5000-hour lifespan and sold in a convenient duo pack, these lamps combine advanced inert gas technology for high color temperature without coatings, ensuring your vehicle stands out on every rugged path.

## Description

Osram Xenarc Cool Blue Boost D4S, Hid Headlamp, 66440Cbb-Hcb, Hyper Blue Light, 42V, 35W, Offroad-Only, Duobox (2 Units).

Review: Bright color - Color is good but intensity is lower than original bulbs
Review: Disappointed - Color is more like 5000K and brightness is very low. Had high hopes but got disappointed .

## Features

- OSRAM XENARC COOL BLUE BOOST: Hyper blue xenon light for offroad use
- Right composition of inert gases providing high color temperature without need to coat the lamp
- Color temperature up to 7000 K
- Full portfolio in duo box: equivalent to D1S, D2S, D3S, D4S
- For Off-Road use only

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0771SHJC2 |
| Auto Part Position | Right |
| Best Sellers Rank | #50,798 in Automotive ( See Top 100 in Automotive ) #300 in Automobile Headlight Bulbs |
| Brand | Osram |
| Brand Name | Osram |
| Brightness | 3200 Lumen |
| Color | Hyper Blue |
| Color Temperature | 7000 Kelvin |
| Colour temperature | 7000 Kelvin |
| Country of Publication | Germany |
| Customer Reviews | 3.7 out of 5 stars 20 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 04052899527522 |
| Included Components | Bulb |
| Item Type Name | Bulb |
| Item Weight | 0.06 Kilograms |
| Light Source Type | Xenon |
| Light source type | Xenon |
| Manufacturer | Osram |
| Manufacturer Part Number | 66440CBB-HCB |
| Manufacturer Warranty Description | 1 year warranty |
| Operating Life | 5000 Hours |
| Package Quantity | 1 |
| Specific Uses For Product | Lamps |
| Specific uses for product | Lamps |
| Unit Count | 2 Count |
| Voltage | 85 Volts |
| Wattage | 35 watts |

## Product Details

- **Brand:** Osram
- **Light source type:** Xenon
- **Specific uses for product:** Lamps
- **Colour temperature:** 7000 Kelvin
- **Brightness:** 3200 Lumen

## Images

![XENARC® Cool Blue Boost, D4S, Xenon Headlight Lamps, Hid Headlamp, 66440Cbb-Hcb, Hyper Blue Light, 42V, 35W, 7000K, off-road use only, Duo Box (2 lamps) - Image 1](https://m.media-amazon.com/images/I/71rbNBF8EjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Bright color
*by F***H on 14 July 2024*

Color is good but intensity is lower than original bulbs

### ⭐ Disappointed
*by U***D on 26 July 2025*

Color is more like 5000K and brightness is very low. Had high hopes but got disappointed .

### ⭐ وصلني المنتج متضرر
*by A***. on 3 August 2024*

وصلني المنتج متضرر والعلبة مكسورة

## Frequently Bought Together

- OSRAM XENARC® Cool Blue Boost, D4S, Xenon Headlight Lamps, 7000K, Duo Box, offroad use only
- Osram Night Breaker LED bulbs - W5W-T10-12V - set of 2 pieces, White
- OSRAM NIGHT BREAKER LASER H3, +150% more brightness, halogen headlight lamp, 64151NL-HCB, 12V, duo box (2 lamps)

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**Shop now:** [https://www.desertcart.vn/products/286374075-xenarc-cool-blue-boost-d4s-xenon-headlight-lamps-hid-headlamp](https://www.desertcart.vn/products/286374075-xenarc-cool-blue-boost-d4s-xenon-headlight-lamps-hid-headlamp)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-09*