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Optic 4XL NextGen 500W Dimmable COB LED Grow Light (UV/IR) 3500k COBs 120 Degree Lenses


  • €949,00

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Now the even more power & efficient Optic 4XL Nextgen with all top the industry high end led components to give you unmatched yield and potency combination. Each COB now driven at up to 100 watts each with better cooling. Loaded with nearly 3x as many bloom enhancers with the upgraded CREE XPE Deep Reds and Royal Blue LEDs for maximum in crop quality. Optic 4XL has proven itself to produce robust Crop Yields with chart-topping bud quality and resin production. 

Max Power: 500 watts

HID equivalent: 1000 watt SE HPS


  • 660 nm Deep Red CREE XPE LEDs
  • 460 nm Royal Blue CREE XPE LEDs
  • UV and IR LEDs
  • 4 x 3500k Daylight White CXB3590 COBs Driven at 100w Each max power


COB Holder: SoderLess

Optics: COBS are outfitted with high-quality 120-degree glass lens standard.  Glass Lens Directs light downwards, magnifies par, and increases canopy penetration by up to 200%. 


Drivers:  2 commercial grade Meanwell Drivers (Industry Best)

Spectrum: Full-spectrum + infrared + Ultra Violet  


PAR Efficacy: 

4' x 4' Area: 1.2m x 1.2m = 1.44 Square Meters

 ppfd x 1.44 Square meters (4x4 area)= 

 divided by 500 watts =  PAR Efficacy / (ppf/w)



PPFD for 4x4 area (1.2m x 1.2m) @ 18": 

PPFD for 4x4 area (1.2m x 1.2m) @24":




Optic 4 XL Canopy Penetration (measured in u/mols):

Tested in 4x4 (1.2m x 1.2m) Grow Tent @48" Hanging Height


PAR Output: 1660 u/mols @18" Hanging Height, center of the footprint 

Tested with: Apogee MQ-500 in 4x4 (1.2m x 1.2m) Grow Tent.


Recommended Coverage area & hanging height :

  • Veg: up to 5' x 5' (1.5m x 1.5m) @30" (Using only COBs)
  • Flower: 4' x 4' @18"- 24" (1.2m x 1.2m) 
  • Flower: 4.5' x 4.5' @24"-30" (1.35m x 1.35m)

Recommended hanging height:

  • Veg: 24"-30"          (.6m - .75m)
  • Flower: 18"-24"     (.45m - .6m)


Light Controls:

Dimmability: 2 Independent Dimmers

COBs Dimmer: Tune your 4 COBs between 10-100% Power

BLOOM ENHANCER: Dial in your Bloom Enhancer between 10-100% Power



Switch#2:Turns COBs ON & OFF (Controls all 4 CREE COBS together)



Switch#1: Turns Bloom Enhancer ON & OFF (Controls all 64 Osram LEDs)


Switch #1 & Switch#2: ON (Full Power)



Thermal management: commercial-grade cooling system, 5 x cooling fans, slotted housing & 20% Overbuilt Aluminum fin heat-sinks.

Fixture Dimensions: 24" x 24"

PPF/Watt: : 



Grams Per watt: 

Input Voltage

Power Cord: 

240 Volt USA Power Cord: 

Input Current


Fixture Weight: 32 Pounds

Shipping Weight: 34 Pounds    

Product includes: 120v power cord, 4 Rope Ratchet Hangers & LED Fixture. (120v-240v power cords available, we automatically ship the correct power cord for your country)

Recommended for:

  • Grow tents(4x4) (5x5) (4x8) (5x9) 5x10) (8x8) (9x9)(10x10)
  • Grow rooms (All Sizes)
  • Full-cycle growing from seedling to flower
  • Soil, Coco Coir, hydroponics, aeroponics, or aquaponic systems

Packaging: Plain brown discrete packaging with no labels.