![\"\"](\"https:\/\/www.ledcxr.com\/wp-content\/uploads\/2026\/07\/h4-headlight-bulb.webp\")
<\/p>\nYou are standing in the auto parts aisle \u2013 or scrolling through endless Amazon listings \u2013 staring at H4 bulbs that claim wildly different brightness, lifespan, and prices. One costs the equivalent of a few dollars. Another costs twenty times as much. Both say “H4.” Which one do you actually need? And more importantly, which one will actually work in your car without blinding oncoming traffic or failing in six months?<\/p>\n
This guide cuts through the marketing hype. Based on our engineering testing and real-world installation data across thousands of vehicles, we break down exactly what separates a smart H4 headlight bulb purchase from a costly mistake.<\/p>\n
<\/p>\n
\u06c1\u0627\u06ba\u06d4 H4\u060c 9003\u060c \u0627\u0648\u0631 HB2 \u0628\u0627\u0644\u06a9\u0644 \u0627\u06cc\u06a9 \u06c1\u06cc \u0628\u0644\u0628 \u06c1\u06cc\u06ba\u06d4 \u0641\u0631\u0642 \u0635\u0631\u0641 \u067e\u0627\u0631\u0679 \u0646\u0645\u0628\u0631 \u06a9\u0627 \u06c1\u06d2 \u2013 \u062c\u06cc\u0633\u06d2 \u0627\u0645\u0631\u06cc\u06a9\u06c1 \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 \u06cc\u0648\u0631\u067e \u0645\u06cc\u06ba \u062c\u0648\u062a\u0648\u06ba \u06a9\u06d2 \u0633\u0627\u0626\u0632\u06d4.<\/strong><\/p>\n The H4 designation is more common in Europe and Asia, while 9003 is used in North America. HB2 is a third variation that appears in some OEM specifications. All three share identical dimensions, the same P43t base with three prongs, the same 12V operating voltage, and the same 60W high beam \/ 55W low beam rating for halogen versions.<\/p>\n Why does this matter? Because when you search for an \u0627\u06cc\u0686 4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628<\/strong>, you may also see listings for “9003” or “HB2” \u2013 and you can buy any of them with confidence. They will fit the same socket and perform identically.<\/p>\n The H4 bulb uses a P43t base \u2013 a prefocus design with three blades in line: ground, high beam, and low beam. This connector has been standard since the H4 bulb was introduced in 1971, and it remains one of the most common headlight connectors in the world. The three-prong design is exposed, which makes installation straightforward \u2013 but it also means polarity matters for LED replacements.<\/p>\n When upgrading to an \u0627\u06cc\u0686 4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u0627\u06cc\u0644 \u0627\u06cc \u0688\u06cc<\/strong>, \u060c \u062a\u0648 \u0622\u067e \u0627\u0628 \u0628\u06be\u06cc \u0648\u06c1\u06cc P43t \u0633\u0627\u06a9\u0679 \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631 \u0631\u06c1\u06d2 \u06c1\u06cc\u06ba\u06d4 \u0628\u0644\u0628 \u0635\u0631\u0641 \u06a9\u0645 \u0628\u062c\u0644\u06cc \u06a9\u06be\u06cc\u0646\u0686\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u0627\u06cc\u06a9 \u0645\u062e\u062a\u0644\u0641 \u0637\u0631\u06cc\u0642\u06c1 \u06a9\u0627\u0631 \u06a9\u06d2 \u0630\u0631\u06cc\u0639\u06d2 \u0631\u0648\u0634\u0646\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0644\u06cc\u06a9\u0646 \u06cc\u06c1 \u06a9\u0645 \u0628\u062c\u0644\u06cc \u06a9\u06cc \u06a9\u06be\u067e\u062a \u0627\u067e\u0646\u06d2 \u0686\u06cc\u0644\u0646\u062c\u0632 \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062a\u06cc \u06c1\u06d2 \u2013 \u062c\u0633\u06d2 \u06c1\u0645 \u062c\u0644\u062f \u06c1\u06cc \u06a9\u0648\u0631 \u06a9\u0631\u06cc\u06ba \u06af\u06d2\u06d4.<\/p>\n \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0688\u0631\u0627\u0626\u06cc\u0648\u0631 \u062c\u0648 \u0627\u067e\u0646\u06d2 H4 \u0628\u0644\u0628 \u0627\u067e \u06af\u0631\u06cc\u0688 \u06a9\u0631 \u0631\u06c1\u06d2 \u06c1\u06cc\u06ba\u060c \u0648\u06c1 \u06c1\u0627\u0644\u0648\u062c\u0646 \u067e\u0631 \u0642\u0627\u0626\u0645 \u0631\u06c1\u0646\u06d2 \u06cc\u0627 LED \u067e\u0631 \u0633\u0648\u0626\u0686 \u06a9\u0631\u0646\u06d2 \u06a9\u06d2 \u062f\u0631\u0645\u06cc\u0627\u0646 \u0641\u06cc\u0635\u0644\u06c1 \u06a9\u0631 \u0631\u06c1\u06d2 \u06c1\u06cc\u06ba\u06d4 \u06cc\u06c1 \u0648\u06c1 \u06c1\u06d2 \u062c\u0648 \u0627\u0633\u067e\u06cc\u06a9 \u0634\u06cc\u0679\u0633 \u0622\u067e \u06a9\u0648 \u0646\u06c1\u06cc\u06ba \u0628\u062a\u0627\u062a\u06cc\u06ba\u06d4.<\/p>\n \u0627\u06cc\u06a9 \u0645\u0639\u06cc\u0627\u0631\u06cc LED H4 \u0628\u0644\u0628 \u06c1\u0627\u0644\u0648\u062c\u0646 \u0633\u06d2 \u062a\u0642\u0631\u06cc\u0628\u0627\u064b 2.5 \u0633\u06d2 5 \u06af\u0646\u0627 \u0632\u06cc\u0627\u062f\u06c1 \u0645\u0641\u06cc\u062f \u0631\u0648\u0634\u0646\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0631 \u0633\u06a9\u062a\u0627 \u06c1\u06d2 \u062c\u0628\u06a9\u06c1 \u0622\u062f\u06be\u06cc \u0633\u06d2 \u0628\u06be\u06cc \u06a9\u0645 \u0628\u062c\u0644\u06cc \u0627\u0633\u062a\u0639\u0645\u0627\u0644 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0644\u06cc\u06a9\u0646 \u0627\u06cc\u06a9 \u0633\u0633\u062a\u0627 LED \u0628\u0644\u0628 \u0634\u0627\u06cc\u062f \u06c1\u0627\u0644\u0648\u062c\u0646 \u0633\u06d2 \u0628\u0645\u0634\u06a9\u0644 \u0632\u06cc\u0627\u062f\u06c1 \u0631\u0648\u0634\u0646\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0631\u06d2 \u2013 \u0635\u0631\u0641 \u0645\u062e\u062a\u0644\u0641 \u0631\u0646\u06af \u0645\u06cc\u06ba \u2013 \u062c\u0628\u06a9\u06c1 \u0628\u06cc\u0645 \u067e\u06cc\u0679\u0631\u0646 \u0628\u0646\u0627\u062a\u0627 \u06c1\u06d2 \u062c\u0648 \u062f\u0631\u0627\u0635\u0644 \u0645\u0631\u0626\u06cc\u062a \u06a9\u06d2 \u0644\u06cc\u06d2 \u0628\u062f\u062a\u0631 \u06c1\u0648\u062a\u0627 \u06c1\u06d2\u06d4.<\/p>\n Many listings boast about lumen numbers \u2013 50,000 lumens! 100,000 lumens! These numbers are almost always measured in laboratory conditions that do not reflect real-world performance. What actually matters is lux \u2013 the amount of light that reaches the road surface in front of your vehicle.<\/p>\n One independent test found that a quality H4 LED produced 2,524 lux on low beam compared to just 459 lux from a halogen \u2013 a 5.5x improvement in actual road illumination. That is a meaningful difference you can see and feel while driving. The lumen number on the box? Far less relevant than how the light is focused onto the road.<\/p>\n \u06c1\u0645\u0627\u0631\u06d2 \u0627\u0646\u062c\u06cc\u0646\u0626\u0631\u0646\u06af \u062a\u062c\u0632\u06cc\u06c1 \u0627\u0648\u0631 50,000 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0646\u0635\u06cc\u0628\u0627\u062a \u06a9\u06d2 \u0641\u06cc\u0644\u0688 \u0688\u06cc\u0679\u0627 \u06a9\u06cc \u0628\u0646\u06cc\u0627\u062f \u067e\u0631\u060c \u06cc\u06c1 \u067e\u0627\u0646\u0686 \u0645\u0639\u06cc\u0627\u0631 \u06c1\u06cc\u06ba \u062c\u0648 \u0627\u06cc\u06a9 \u0627\u0686\u06be\u06cc \u062e\u0631\u06cc\u062f\u0627\u0631\u06cc \u06a9\u0648 \u0628\u0631\u06cc \u0633\u06d2 \u0627\u0644\u06af \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4.<\/p>\n This is the single most important factor \u2013 and the one most buyers ignore. Your headlight reflector was designed around a specific light source position: the halogen filament. If the LED chips are not in exactly the same position, the beam pattern scatters.<\/p>\n Quality LED chips like the Philips ZES measure 1.6mm x 2.0mm \u2013 closely matching the halogen filament width. The best H4 LED bulbs achieve 1:1 filament positioning with chip spacing as tight as 0.0074 inches. Cheap LEDs use larger chips or place them incorrectly, destroying the beam pattern and creating glare for oncoming traffic.<\/p>\n For reflector housings \u2013 which most H4-equipped vehicles have \u2013 beam accuracy is even more critical than raw brightness. A less bright bulb with a perfect beam pattern will give you better visibility than a brighter bulb with scattered light.<\/p>\n Heat kills LEDs. Period. Every H4 LED bulb needs some form of thermal management \u2013 either active (a fan) or passive (a heatsink).<\/p>\n Fan-cooled LEDs generally last longer than passively cooled lamps \u2013 but the fans themselves can fail. When a fan fails, the LED overheats and dies. Fanless designs eliminate this failure point but may not dissipate heat as effectively in high-temperature environments.<\/p>\n Some users report fanless designs lasting years without issue. Others have had fan-cooled bulbs fail within months due to fan failure. The key is build quality \u2013 a well-engineered fanless design with adequate heatsinking can outperform a poorly made fan-cooled unit.<\/p>\n One real-world observation: “\u0645\u06cc\u0631\u06d2 \u06c1\u0627\u062a\u06be \u06a9\u06cc \u067e\u0634\u062a \u06a9\u06c1\u062a\u06cc \u06c1\u06d2 \u06a9\u06c1 \u0627\u0633\u06cc \u0644\u06cc\u0646\u0633 \u0645\u06cc\u06ba \u0645\u0639\u06cc\u0627\u0631\u06cc H4 \u0628\u0644\u0628 30 \u0645\u0646\u0679 \u06a9\u06cc \u0688\u0631\u0627\u0626\u06cc\u0648 \u06a9\u06d2 \u0628\u0639\u062f LEDs \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u06af\u0631\u0645 \u06c1\u0648 \u062c\u0627\u062a\u06d2 \u06c1\u06cc\u06ba<\/em>“. LEDs run cooler than halogens by design \u2013 but they still generate heat that must be managed.<\/p>\n This is where many LED upgrades go wrong. Your vehicle’s CANbus system monitors the electrical load of each bulb. A halogen H4 draws 55W on low beam. An LED H4 draws 20W. The CANbus interprets this lower draw as a “bulb out” condition and may pulse the power \u2013 causing flicker, or refuse to power the bulb at all.<\/p>\n The fix is a CANbus decoder or anti-flicker capacitor that adds load resistance to fool the system. Some LED bulbs are marketed as “CANbus-ready” \u2013 meaning they include this circuitry internally. Others require an external decoder.<\/p>\n Key point: even “CANbus-ready” bulbs may not work on every vehicle. Some European cars and certain Chrysler\/Dodge models are notoriously picky. If your vehicle is sensitive, you may need to add a decoder regardless of what the product listing claims.<\/p>\n \u0631\u0646\u06af\u06cc\u0646 \u062f\u0631\u062c\u06c1 \u062d\u0631\u0627\u0631\u062a \u06a9\u06cc\u0644\u0648\u0646 (K) \u0645\u06cc\u06ba \u0646\u0627\u067e\u0627 \u062c\u0627\u062a\u0627 \u06c1\u06d2 \u0627\u0648\u0631 \u06cc\u06c1 \u0645\u0631\u0626\u06cc\u062a \u0627\u0648\u0631 \u0622\u0631\u0627\u0645 \u062f\u0648\u0646\u0648\u06ba \u06a9\u0648 \u0645\u062a\u0627\u062b\u0631 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4.<\/p>\n \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0688\u0631\u0627\u0626\u06cc\u0648\u0631\u0648\u06ba \u06a9\u06d2 \u0644\u06cc\u06d2\u060c 5000K\u20136000K \u0645\u0631\u0626\u06cc\u062a \u0627\u0648\u0631 \u0622\u0631\u0627\u0645 \u06a9\u0627 \u0628\u06c1\u062a\u0631\u06cc\u0646 \u062a\u0648\u0627\u0632\u0646 \u067e\u06cc\u0634 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0627\u06af\u0631 \u0622\u067e \u0627\u06a9\u062b\u0631 \u062f\u06be\u0646\u062f \u06cc\u0627 \u0628\u0627\u0631\u0634 \u0645\u06cc\u06ba \u06af\u0627\u0691\u06cc \u0686\u0644\u0627\u062a\u06d2 \u06c1\u06cc\u06ba\u060c \u062a\u0648 \u0627\u067e\u0646\u06cc \u0641\u0648\u06af \u0644\u0627\u0626\u0679\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2 3000K \u0627\u0648\u0631 \u0627\u067e\u0646\u06cc \u0645\u06cc\u0646 \u0628\u06cc\u0645 \u06a9\u06d2 \u0644\u06cc\u06d2 5000\u20136000K \u067e\u0631 \u063a\u0648\u0631 \u06a9\u0631\u06cc\u06ba\u06d4.<\/p>\n A $15 LED H4 bulb and a $100 LED H4 bulb may look similar in photos. The difference is in the components: the quality of the LED chips, the thermal management, the wiring, and the connector materials. One PakWheels forum member put it bluntly: cheap LEDs like “C6 Bugatti” are “\u0627\u0646\u062a\u06c1\u0627\u0626\u06cc \u0642\u0627\u0628\u0644 \u0631\u062d\u0645<\/em>“.<\/p>\n Look for bulbs with documented chip sources (Philips, Cree, or Seoul Semiconductor are good signs), proper thermal design, and a warranty of at least one year. A warranty does not guarantee quality \u2013 but its absence is a red flag.<\/p>\n In our analysis of thousands of real customer experiences, several patterns emerge consistently.<\/p>\n One driver who tested multiple H4 LED options noted: “FWIW the GTR Ultra 3.0 are fantastic. I like the color, which seems even more reflective on road stripes than other LED I have used, beam width is broader than the Morimoto, can’t find any dark spots in the lighting<\/em>“.<\/p>\n Another user who tried both GTR and competing brands concluded: “I can’t say that the 4.0 light output or beam pattern is noticeably better than the GTR Lighting units. If I were sourcing a replacement, I would likely go back to the GTR Mini as they fit better without futzing inside the headlight mount and they don’t have a fan<\/em>“.<\/p>\n A third, describing the GTR Ultra 3.0 H4 bulb: “\u0627\u0648\u06c1\u06d4 \u0645\u06cc\u0631\u06d2\u06d4 \u062e\u062f\u0627\u06d4 \u0645\u06c1\u0646\u06af\u0627 \u0644\u06cc\u06a9\u0646 \u0628\u0627\u0644\u06a9\u0644 \u062d\u06cc\u0631\u062a \u0627\u0646\u06af\u06cc\u0632 \u0644\u06cc\u0645\u0646 \u0622\u0624\u0679 \u067e\u0679\u06d4 \u062f\u0631\u0633\u062a LED \u0686\u067e \u067e\u0644\u06cc\u0633\u0645\u0646\u0679 (\u067e\u0644\u0633 \u06a9\u0644\u0627\u06a9 \u0627\u06cc\u0628\u0644\u0679\u06cc) OEM-\u0627\u0633\u067e\u06cc\u06a9 \u067e\u06cc\u0679\u0631\u0646 \u0627\u0648\u0631 \u067e\u06be\u06cc\u0644\u0627\u0624 \u062f\u06cc\u062a\u0627 \u06c1\u06d2<\/em>“.<\/p>\n The common thread? Precision engineering matters more than advertised lumens. A bulb that fits correctly, positions the light source accurately, and manages heat effectively will outperform a cheaper bulb every time.<\/p>\n \u062c\u06cc \u06c1\u0627\u06ba\u06d4 H4\u060c 9003\u060c \u0627\u0648\u0631 HB2 \u0627\u06cc\u06a9 \u06c1\u06cc \u0628\u0644\u0628 \u06c1\u06cc\u06ba \u062c\u0646 \u06a9\u06d2 \u067e\u0627\u0631\u0679 \u0646\u0645\u0628\u0631 \u0645\u062e\u062a\u0644\u0641 \u06c1\u06cc\u06ba\u06d4 \u062a\u06cc\u0646\u0648\u06ba \u06a9\u06d2 \u0637\u0648\u0644 \u0648 \u0639\u0631\u0636 \u0627\u06cc\u06a9 \u062c\u06cc\u0633\u06d2 \u06c1\u06cc\u06ba\u060c \u0627\u06cc\u06a9 \u06c1\u06cc P43t \u0628\u06cc\u0633\u060c \u0627\u0648\u0631 \u0627\u06cc\u06a9 \u06c1\u06cc 12V\/55W-60W \u062a\u0635\u0631\u06cc\u062d\u0627\u062a \u06c1\u06cc\u06ba\u06d4.<\/p>\n \u0645\u0639\u06cc\u0627\u0631\u06cc \u06c1\u0627\u0644\u0648\u062c\u0646 H4 \u0628\u0644\u0628 \u06c1\u0627\u0626\u06cc \u0628\u06cc\u0645 \u06a9\u06d2 \u0644\u06cc\u06d2 60W \u0627\u0648\u0631 \u0644\u0648 \u0628\u06cc\u0645 \u06a9\u06d2 \u0644\u06cc\u06d2 55W \u067e\u0631 \u062f\u0631\u062c\u06c1 \u0628\u0646\u062f \u06c1\u06cc\u06ba\u06d4 LED \u0645\u0633\u0627\u0648\u06cc \u0639\u0627\u0645 \u0637\u0648\u0631 \u067e\u0631 18\u201325W \u06a9\u06be\u06cc\u0646\u0686\u062a\u06d2 \u06c1\u06cc\u06ba \u062c\u0628\u06a9\u06c1 \u0645\u0648\u0627\u0632\u0646\u06c1 \u06cc\u0627 \u0632\u06cc\u0627\u062f\u06c1 \u0631\u0648\u0634\u0646\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4.<\/p>\n Your vehicle’s CANbus system detects the lower power draw of the LED and interprets it as a bulb failure. This causes power pulsing (flicker) or complete power cutoff. A CANbus decoder or anti-flicker resistor solves this by adding load resistance.<\/p>\n \u06c1\u0627\u06ba \u2013 \u0644\u06cc\u06a9\u0646 \u0635\u0631\u0641 \u0627\u0633 \u0635\u0648\u0631\u062a \u0645\u06cc\u06ba \u062c\u0628 LED \u0628\u0644\u0628 \u0645\u06cc\u06ba \u0686\u067e \u06a9\u06cc \u062f\u0631\u0633\u062a \u062c\u06af\u06c1 \u06c1\u0648 \u062c\u0648 \u06c1\u0627\u0644\u0648\u062c\u0646 \u0641\u0644\u06cc\u0645\u0646\u0679 \u067e\u0648\u0632\u06cc\u0634\u0646 \u0633\u06d2 \u0645\u0645\u0627\u062b\u0644 \u06c1\u0648\u06d4 \u06a9\u0648\u0627\u0644\u0679\u06cc H4 LEDs \u062e\u0627\u0635 \u0637\u0648\u0631 \u067e\u0631 \u0627\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0628\u0646\u0627\u0626\u06d2 \u06af\u0626\u06d2 \u06c1\u06cc\u06ba\u06d4 \u063a\u0644\u0637 \u062c\u06af\u06c1 \u0648\u0627\u0644\u06d2 \u0633\u0633\u062a\u06d2 LEDs \u0631\u0648\u0634\u0646\u06cc \u0628\u06a9\u06be\u06cc\u0631\u06cc\u06ba \u06af\u06d2\u060c \u0645\u0631\u0626\u06cc\u062a \u06a9\u0645 \u06a9\u0631\u06cc\u06ba \u06af\u06d2\u060c \u0627\u0648\u0631 \u0686\u06a9\u0627\u0686\u0648\u0646\u062f \u067e\u06cc\u062f\u0627 \u06a9\u0631\u06cc\u06ba \u06af\u06d2\u06d4.<\/p>\n \u06c1\u0627\u0644\u0648\u062c\u0646 H4 \u0628\u0644\u0628 \u0639\u0627\u0645 \u0637\u0648\u0631 \u067e\u0631 160\u2013500 \u06af\u06be\u0646\u0679\u06d2 (Tc \u0631\u06cc\u0679\u0646\u06af) \u0686\u0644\u062a\u06d2 \u06c1\u06cc\u06ba\u06d4 \u06a9\u0648\u0627\u0644\u0679\u06cc LED H4 \u0628\u0644\u0628 10,000\u201345,000 \u06af\u06be\u0646\u0679\u06d2 \u062a\u06a9 \u0686\u0644 \u0633\u06a9\u062a\u06d2 \u06c1\u06cc\u06ba \u2013 \u0646\u0645\u0627\u06cc\u0627\u06ba \u0637\u0648\u0631 \u067e\u0631 \u0632\u06cc\u0627\u062f\u06c1 \u2013 \u0644\u06cc\u06a9\u0646 \u06cc\u06c1 \u0645\u06a9\u0645\u0644 \u0637\u0648\u0631 \u067e\u0631 \u062a\u06be\u0631\u0645\u0644 \u0645\u06cc\u0646\u062c\u0645\u0646\u0679 \u0627\u0648\u0631 \u0627\u062c\u0632\u0627\u0621 \u06a9\u06d2 \u0645\u0639\u06cc\u0627\u0631 \u067e\u0631 \u0645\u0646\u062d\u0635\u0631 \u06c1\u06d2\u06d4.<\/p>\n 5000K\u20136000K \u0632\u06cc\u0627\u062f\u06c1 \u062a\u0631 \u0688\u0631\u0627\u0626\u06cc\u0648\u0646\u06af \u062d\u0627\u0644\u0627\u062a \u06a9\u06d2 \u0644\u06cc\u06d2 \u0645\u0631\u0626\u06cc\u062a \u0627\u0648\u0631 \u0622\u0631\u0627\u0645 \u06a9\u0627 \u0628\u06c1\u062a\u0631\u06cc\u0646 \u062a\u0648\u0627\u0632\u0646 \u067e\u06cc\u0634 \u06a9\u0631\u062a\u0627 \u06c1\u06d2\u06d4 \u0641\u0648\u06af \u0644\u0627\u0626\u0679\u0633 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06cc\u0627 \u0627\u06af\u0631 \u0622\u067e \u0627\u06a9\u062b\u0631 \u062f\u06be\u0646\u062f \u0627\u0648\u0631 \u0628\u0627\u0631\u0634 \u0645\u06cc\u06ba \u06af\u0627\u0691\u06cc \u0686\u0644\u0627\u062a\u06d2 \u06c1\u06cc\u06ba \u062a\u0648 3000K \u0645\u0646\u062a\u062e\u0628 \u06a9\u0631\u06cc\u06ba\u06d4.<\/p>\n It depends on your vehicle. Many newer vehicles with CANbus systems require a decoder. Some LED bulbs are “CANbus-ready” and include the necessary circuitry internally \u2013 but even then, some vehicles may still require an external decoder.<\/p>\n \u0622\u067e \u06a9\u06cc \u0627\u06cc\u0686 4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628<\/strong> \u0635\u0631\u0641 \u0627\u06cc\u06a9 \u062a\u0628\u062f\u06cc\u0644 \u06c1\u0648\u0646\u06d2 \u0648\u0627\u0644\u0627 \u067e\u0631\u0632\u06c1 \u0646\u06c1\u06cc\u06ba \u06c1\u06d2\u06d4 \u06cc\u06c1 \u0631\u0627\u062a \u06a9\u06d2 \u0648\u0642\u062a \u0622\u067e \u06a9\u0627 \u0628\u0646\u06cc\u0627\u062f\u06cc \u062d\u0641\u0627\u0638\u062a\u06cc \u0646\u0638\u0627\u0645 \u06c1\u06d2\u06d4 \u0635\u0631\u0641 \u0633\u0628 \u0633\u06d2 \u06a9\u0645 \u06a9\u06d2 \u0628\u062c\u0627\u0626\u06d2 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u0646\u0627 h4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u06a9\u06cc \u0642\u06cc\u0645\u062a<\/strong> means compromising on beam pattern, longevity, and reliability \u2013 all of which affect your ability to see and be seen.<\/p>\n What separates GTR from the competition is not just better components \u2013 though we use premium LED chips and advanced thermal management. It is engineering precision: chip placement accurate to 0.01mm, active thermal regulation that maintains optimal temperature in any condition, and plug-and-play compatibility that works with your vehicle’s existing systems.<\/p>\nH4 \u06a9\u0646\u06cc\u06a9\u0679\u0631: \u0622\u067e \u06a9\u0648 \u06a9\u06cc\u0627 \u062c\u0627\u0646\u0646\u06d2 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2<\/h3>\n
\u06c1\u0627\u0644\u0648\u062c\u0646 H4 \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 LED H4: \u0627\u0635\u0644 \u0645\u0648\u0627\u0632\u0646\u06c1<\/h2>\n
\n\n
\n \n\u062a\u0641\u0635\u06cc\u0644\u0627\u062a<\/th>\n \u06c1\u0627\u0644\u0648\u062c\u0646 H4<\/th>\n LED H4 (\u0645\u0639\u06cc\u0627\u0631\u06cc)<\/th>\n LED H4 (\u0633\u0633\u062a\u0627)<\/th>\n<\/tr>\n<\/thead>\n \n \u067e\u0627\u0648\u0631 \u0688\u0631\u0627 (\u06a9\u0645\/\u0632\u06cc\u0627\u062f\u06c1)<\/strong><\/td>\n 55W \/ 60W<\/td>\n ~20\u201325W \u0641\u06cc \u0628\u0644\u0628<\/td>\n \u0628\u06c1\u062a \u0645\u062e\u062a\u0644\u0641\u060c \u0627\u06a9\u062b\u0631 \u0645\u0628\u0627\u0644\u063a\u06c1 \u0622\u0645\u06cc\u0632<\/td>\n<\/tr>\n \n \u0628\u0631\u0627\u0626\u0679 \u0641\u0644\u0648\u06a9\u0633<\/strong><\/td>\n 1,000\u20131,650 lm<\/td>\n 3,600\u201310,800+ lm<\/td>\n \u0627\u06a9\u062b\u0631 1,000\u20132,000 lm (\u06c1\u0627\u0644\u0648\u062c\u0646 \u0633\u06d2 \u0628\u0645\u0634\u06a9\u0644 \u0628\u06c1\u062a\u0631)<\/td>\n<\/tr>\n \n \u0631\u0646\u06af \u06a9\u0627 \u062f\u0631\u062c\u06c1 \u062d\u0631\u0627\u0631\u062a<\/strong><\/td>\n ~3,200K (\u06af\u0631\u0645 \u067e\u06cc\u0644\u0627)<\/td>\n 5,000\u20136,500K (\u0679\u06be\u0646\u0688\u0627 \u0633\u0641\u06cc\u062f)<\/td>\n \u0627\u06a9\u062b\u0631 6,500K+ (\u0633\u062e\u062a \u0646\u06cc\u0644\u0627-\u0633\u0641\u06cc\u062f)<\/td>\n<\/tr>\n \n \u0639\u0645\u0631\u0650 \u0645\u0641\u0631\u0648\u0636\u06c1<\/strong><\/td>\n 160\u2013500 \u06af\u06be\u0646\u0679\u06d2 (Tc)<\/td>\n 10,000\u201345,000 \u06af\u06be\u0646\u0679\u06d2<\/td>\n \u0627\u06a9\u062b\u0631 \u0645\u06c1\u06cc\u0646\u0648\u06ba \u0645\u06cc\u06ba \u0646\u0627\u06a9\u0627\u0645<\/td>\n<\/tr>\n \n \u0634\u0639\u0627\u0639\u06cc \u0646\u0645\u0648\u0646\u06c1<\/strong><\/td>\n \u0641\u06cc\u06a9\u0679\u0631\u06cc \u06a9\u06cc \u0645\u062e\u0635\u0648\u0635 \u06a9\u0631\u062f\u06c1<\/td>\n 1:1 \u0641\u0644\u06cc\u0645\u0646\u0679 \u067e\u0648\u0632\u06cc\u0634\u0646 \u0645\u06cc\u0686<\/td>\n \u0628\u06a9\u06be\u0631\u06cc \u06c1\u0648\u0626\u06cc\u060c \u062e\u0631\u0627\u0628 \u06a9\u0679 \u0622\u0641\u060c \u0686\u06a9\u0627\u0686\u0648\u0646\u062f<\/td>\n<\/tr>\n \n CANbus \u0645\u0637\u0627\u0628\u0642\u062a<\/strong><\/td>\n \u0645\u0642\u0627\u0645\u06cc<\/td>\n \u06a9\u0686\u06be \u06af\u0627\u0691\u06cc\u0648\u06ba \u067e\u0631 \u0688\u06cc\u06a9\u0648\u0688\u0631 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u067e\u0691 \u0633\u06a9\u062a\u06cc \u06c1\u06d2<\/td>\n \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u06c1\u0645\u06cc\u0634\u06c1 \u0688\u06cc\u06a9\u0648\u0688\u0631 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u0648\u062a\u06cc \u06c1\u06d2\u060c \u0627\u06a9\u062b\u0631 \u0646\u0627\u06a9\u0627\u0645 \u06c1\u0648 \u062c\u0627\u062a\u0627 \u06c1\u06d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u0644\u0648\u0645\u06cc\u0646\u0632 \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 \u0644\u06a9\u0633: \u0627\u0635\u0644 \u0645\u06cc\u06ba \u06a9\u06cc\u0627 \u0627\u06c1\u0645 \u06c1\u06d2<\/h3>\n
H4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u062e\u0631\u06cc\u062f\u062a\u06d2 \u0648\u0642\u062a \u067e\u0627\u0646\u0686 \u0686\u06cc\u0632\u06cc\u06ba \u062c\u0648 \u0648\u0627\u0642\u0639\u06cc \u0627\u06c1\u0645 \u06c1\u06cc\u06ba<\/h2>\n
1. LED \u0686\u067e \u067e\u0644\u06cc\u0633\u0645\u0646\u0679 (\u0628\u06cc\u0645 \u067e\u06cc\u0679\u0631\u0646 \u06a9\u06cc \u062f\u0631\u0633\u062a\u06af\u06cc)<\/h3>\n
2. \u062a\u06be\u0631\u0645\u0644 \u0645\u06cc\u0646\u062c\u0645\u0646\u0679: \u067e\u0646\u06a9\u06be\u0627 \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 \u0628\u063a\u06cc\u0631 \u067e\u0646\u06a9\u06be\u06d2<\/h3>\n
3. CANbus \u0645\u0637\u0627\u0628\u0642\u062a \u0627\u0648\u0631 \u062c\u06be\u0644\u0645\u0644\u0627\u06c1\u0679<\/h3>\n
4. \u0631\u0646\u06af\u06cc\u0646 \u062f\u0631\u062c\u06c1 \u062d\u0631\u0627\u0631\u062a: 3000K \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 5000K \u0628\u0645\u0642\u0627\u0628\u0644\u06c1 6000K<\/h3>\n
\n
5. \u0645\u0639\u06cc\u0627\u0631 \u062a\u0639\u0645\u06cc\u0631 \u0627\u0648\u0631 \u0648\u0627\u0631\u0646\u0679\u06cc<\/h3>\n
\u0688\u0631\u0627\u0626\u06cc\u0648\u0631 \u0627\u0635\u0644 \u0645\u06cc\u06ba \u06a9\u06cc\u0627 \u06a9\u06c1\u062a\u06d2 \u06c1\u06cc\u06ba: \u062d\u0642\u06cc\u0642\u06cc \u062f\u0646\u06cc\u0627 \u06a9\u06cc \u0631\u0627\u0626\u06d2<\/h2>\n
H4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u06a9\u06d2 \u0628\u0627\u0631\u06d2 \u0645\u06cc\u06ba \u0627\u06a9\u062b\u0631 \u067e\u0648\u0686\u06be\u06d2 \u062c\u0627\u0646\u06d2 \u0648\u0627\u0644\u06d2 \u0633\u0648\u0627\u0644\u0627\u062a<\/h2>\n
\u06a9\u06cc\u0627 H4 9003 \u062c\u06cc\u0633\u0627 \u06c1\u06d2\u061f<\/h3>\n
\u0645\u0639\u06cc\u0627\u0631\u06cc H4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u06a9\u06cc \u0648\u0627\u0679\u062c \u06a9\u062a\u0646\u06cc \u06c1\u06d2\u061f<\/h3>\n
\u0645\u06cc\u0631\u0627 H4 LED \u0628\u0644\u0628 \u06a9\u06cc\u0648\u06ba \u0679\u0645\u0679\u0645\u0627\u062a\u0627 \u06c1\u06d2\u061f<\/h3>\n
\u06a9\u06cc\u0627 \u0645\u06cc\u06ba \u06c1\u0627\u0644\u0648\u062c\u0646 \u06c1\u0627\u0624\u0633\u0646\u06af \u0645\u06cc\u06ba H4 LED \u0628\u0644\u0628 \u0644\u06af\u0627 \u0633\u06a9\u062a\u0627 \u06c1\u0648\u06ba\u061f<\/h3>\n
H4 \u06c1\u06cc\u0688\u0644\u0627\u0626\u0679 \u0628\u0644\u0628 \u06a9\u062a\u0646\u06cc \u062f\u06cc\u0631 \u0686\u0644\u062a\u06d2 \u06c1\u06cc\u06ba\u061f<\/h3>\n
\u0645\u062c\u06be\u06d2 \u0627\u067e\u0646\u06d2 H4 \u0628\u0644\u0628 \u06a9\u06d2 \u0644\u06cc\u06d2 \u06a9\u0648\u0646 \u0633\u0627 \u06a9\u0644\u0631 \u0679\u0645\u067e\u0631\u06cc\u0686\u0631 \u0645\u0646\u062a\u062e\u0628 \u06a9\u0631\u0646\u0627 \u0686\u0627\u06c1\u06cc\u06d2\u061f<\/h3>\n
\u06a9\u06cc\u0627 \u0645\u062c\u06be\u06d2 H4 LED \u0628\u0644\u0628 \u06a9\u06d2 \u0644\u06cc\u06d2 CANbus \u0688\u06cc\u06a9\u0648\u0688\u0631 \u06a9\u06cc \u0636\u0631\u0648\u0631\u062a \u06c1\u06d2\u061f<\/h3>\n
\u0622\u067e \u06a9\u06cc \u06af\u0627\u0691\u06cc \u06a9\u06d2 \u0644\u06cc\u06d2 \u0635\u062d\u06cc\u062d \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0631\u0646\u0627<\/h2>\n