Optic 4 XL Dimmable COB LED Grow Light 460w (UV/IR) 3500k COBs

$1,299.00 $825.00

Available on backorder

SKU: Optic4xl Category:





Contact us directly for special volume pricing with optional financing program. [email protected]


USA Orders: Ships within 1 business day

Outside USA Orders: Ships within 1-2 business days


          Optic 4 XL 460 watt dimmable COB LED Grow Light Patent Pending. Optic LED has integrated four of CREE’s highest yielding COBs (XLAMP CXB3590) with industry leading 120 degree glass lenses to give you unprecedented light spread & penetration. Our Optic COBs further enhanced with our proprietary blend of highly efficient 3 watt Osram LEDs will give you significantly improved grams per watt yield and total yield. You will see significant increases in bud density, trichome production, potency, coloring in your flowers & strength of Terpenes.

Optic 4XL’s Overbuilt Cooling System and 10-100 dimmability guarantees minimal heat output and power consumption. Growing with the Optic 4 XL you can expect to yield up to 2.31 pounds per harvest which is an incredible 2.25 grams per watt. Utilizing the Latest in commercial grade COB LED lighting technology we are now able to offer a Lifetime Warranty on the Optic 4XL.


New! Lifetime Warranty on Optic 4XL 

CREE’s COBs are guaranteed for Life!



 Contact us Directly for Special Volume Pricing on Optic 4XL

 253-881-1355 or [email protected]



Max Power: 460 watts

HID equivalent: 1000 watt SE HPS


  • 4 x CREE CXB3590 COB LEDs
  • 4 x 3500k Daylight White CXB3590 COBs
  • Each COB is 137w max & under driven @80w continuous
  • 32 x 3-watt OSRAM ultra efficient LEDs with crystal clear lenses


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:  3 commercial grade Meanwell Drivers (Industry Best)

Spectrum: Full-spectrum + infrared + Ultra Violet

Spectrum of “COBS only”

Spectrum on OPTIC 4XL @full power (COBS + Bloom Enhancers)


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

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

PPFD for 4×4 area (1.2m x 1.2m) @ 18″:



PPFD for 4×4 area (1.2m x 1.2m) @24″:



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

Tested in 4×4 (1.2m x 1.2m) Grow Tent @48″ Hanging Height


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: : 2.10 umol/J

Yield: Up to 1035 grams / 36.96 ounces / 2.31 lbs

Grams Per watt: Up to 2.25

Input Voltage: 110 volts up to 240 volts

Power Cord: We automatically ship the correct power cord for your country

240 Volt USA Power Cord: Click Here for additional info

Input Current: 5 Amps -1.9 Amps

Amperage: @120v pulls 3.84 Amps @240v pulls 1.9 Amps

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

Optic LED Warranty: Lifetime Warranty

Packaging: Plain brown discrete packaging with no labels.

*Taxes & Duties are required on International shipments.

Shipping: Free shipping to 60+ countires

Optic 4 XL USA Patent Pending


*Optic 4XL has undergone a series of testing in our R&D Labs so we can provide you with the most detailed information to utilize as tools to get the best results out of your light. (May 2019)