{"product_id":"4d-optic-series-led-light-bar","title":"4D-Optic Series LED Light Bar – Dual Row OSRAM (10\"–55\")","description":"\u003ch2\u003eThe Flagship — OSRAM Power Behind 4D Projector Optics\u003c\/h2\u003e\n\u003cp\u003eThe 4D-Optic Series is the latest in LED technology and the brightest light bar in its class. OSRAM 5W LED chips fire through our 4D optic reflector-and-lens system for remarkable lumen output and projection that turns night into day — up to 55,000 lumens on the 55-inch bar.\u003c\/p\u003e\n\n\u003ch2\u003eSized and Shaped to Your Build\u003c\/h2\u003e\n\u003cp\u003eSeven lengths from 10 to 55 inches, in straight or curved housings, with spot, flood, or combo beam patterns — choose all three at checkout. Whether it's a bumper bar on a daily or a roof bar on a chase truck, there's a 4D-Optic that fits.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x 4D-Optic Series light bar (size\/beam\/shape per your selection)\u003c\/li\u003e\n\u003cli\u003eMounting brackets and hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWiring harness is not included.\u003c\/strong\u003e Add a \u003ca href=\"\/products\/wiring-harness\"\u003eplug-and-play harness\u003c\/a\u003e for a relay, fuse, and switch ready to go.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLEDs: OSRAM 5W chips\u003c\/li\u003e\n\u003cli\u003eOptics: 4D reflector with 4D lens\u003c\/li\u003e\n\u003cli\u003eColor temperature: 6000K\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 10–30V DC\u003c\/li\u003e\n\u003cli\u003eHousing: black die-cast aluminum, straight or curved\u003c\/li\u003e\n\u003cli\u003eLens: PMMA polycarbonate\u003c\/li\u003e\n\u003cli\u003eWaterproof rating: IP68\u003c\/li\u003e\n\u003cli\u003eLifetime warranty — LED failure, defects, condensation\/moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOutput by Size\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e10\" — 60W \/ 6,600 lumens\u003c\/li\u003e\n\u003cli\u003e15\" — 120W \/ 13,200 lumens\u003c\/li\u003e\n\u003cli\u003e20\" — 200W \/ 22,000 lumens\u003c\/li\u003e\n\u003cli\u003e30\" — 300W \/ 33,000 lumens\u003c\/li\u003e\n\u003cli\u003e40\" — 400W \/ 44,000 lumens\u003c\/li\u003e\n\u003cli\u003e50\" — 480W \/ 54,800 lumens\u003c\/li\u003e\n\u003cli\u003e55\" — 500W \/ 55,000 lumens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e4D-Optic FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does the 4D optic actually do?\u003c\/h3\u003e\n\u003cp\u003eIt focuses each LED's output through a projector-style lens instead of letting it scatter, so more of the light lands down range. Same watts, visibly more distance.\u003c\/p\u003e\n\u003ch3\u003eStraight or curved?\u003c\/h3\u003e\n\u003cp\u003eCurved bars follow the lines of a roof mount and spread the beam slightly wider at the edges; straight bars are the classic pick for bumpers and grilles.\u003c\/p\u003e\n\u003ch3\u003eWant this platform with color?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/rgb-v-2-series\"\u003eRGB V-2 Series\u003c\/a\u003e is built on the same 4D-Optic platform with a full multi-color halo added — zero performance loss.\u003c\/p\u003e\n\n\u003cp\u003eSee every bar in the \u003ca href=\"\/collections\/lightbars\"\u003eLED light bar collection\u003c\/a\u003e, or wire it clean with our \u003ca href=\"\/collections\/fck-harness\"\u003ewiring solutions\u003c\/a\u003e. Questions? Call us at \u003cstrong\u003e(833) 325-3250\u003c\/strong\u003e.\u003c\/p\u003e","brand":"FCKLightBars","offers":[{"title":"10 INCH \/ SPOT \/ STRAIGHT","offer_id":8124408430696,"sku":"FCK-4D10S-S","price":139.99,"currency_code":"USD","in_stock":true},{"title":"10 INCH \/ SPOT \/ CURVED","offer_id":8124416393320,"sku":"FCK-4D10S-C","price":144.99,"currency_code":"USD","in_stock":true},{"title":"10 INCH \/ FLOOD \/ STRAIGHT","offer_id":8124416426088,"sku":"FCK-4D10F-S","price":139.99,"currency_code":"USD","in_stock":true},{"title":"10 INCH \/ FLOOD \/ CURVED","offer_id":8124416458856,"sku":"FCK-4D10F-C","price":144.99,"currency_code":"USD","in_stock":true},{"title":"10 INCH \/ COMBO \/ STRAIGHT","offer_id":8124416491624,"sku":"FCK-4D10C-S","price":139.99,"currency_code":"USD","in_stock":true},{"title":"10 INCH \/ COMBO \/ CURVED","offer_id":8124416524392,"sku":"FCK-4D10C-C","price":144.99,"currency_code":"USD","in_stock":true},{"title":"15 INCH \/ SPOT \/ 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