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XL4 COB Array 400w - 520w (UV/IR) 3500k COBs

Save 18%
Original price €1.099,00
Current price €899,00


            XL4 COB ARRAY is a fully customizable COB Array that allows you to adjust each COB independently to give you the light distribution and intensity you desire. Our plug and play ready high yielding setup gives you an easy to use system that utilizes the best of modern LED technology making it easier for you to get the amazing results your looking for. CREE's XLAMP CXB3590 has now been unleashed with the amazingly powerful Optic 1XL 100 watt COB paired with our FAR Red Bloom Enhancer to achieve the best possible results in cultivation. 



Options for Your COB Array

- FOUR Optic 1 XL 100 watt COBs (120 degree Lenses included)

- ONE Far Red Bloom Enhancer (Click here to view listing)

- Optional 4x4 (1.2m) Aluminum Hanging Frame (42" x 32" (540mm x 810mm)

 (Click here to view the Hanging Frame & add to cart)


EU Orders: Ships within 1-2 business days

Outside EU Orders: Ships within 1-2 business days

- Inquire at




Coverage Footprint:


4' x 4' area (.1.2m x .1.2m)

Max 5' x 5' (1.5m x 1.5m)


Hanging Height:

Flower: 12"- 24" (.3m - .6m)

Veg: 24"-36" (.6m - .9m)

Seedling: 36"+ (.9m+)



XL4 COB Array Specifications:

COBs: CREE XLAMP CXB-3590 (3500k Daylight White)

Bloom Enhancers: OSRAM 3W LEDs     

Lens: 120 degree Crystal Clear Wide Beam Lenses

Bloom Enhancer Driver:  Meanwell 120 Watt Dimmable Driver

Optic 1XL Drivers: Meanwell 100 Watt Driver

Dimmer: 10% - 100% Dimmability (Bloom Enhancer Only)


Thermal management: Passive Cooling from Overbuilt heatsinks


PPF/Watt: : 2.45 umol/J (Bloom Enhancer) / 2.1 umol/J (COBs)

Actual Power Draw: 520 watt max draw

LEDs Max Power: 744 Watts

Grams Per Watt: Up to 2.25

Yield: Up to 1170 grams / 41.78 ounces (2.61lbs)

(Optic 1 and Optic 1XL yields increased to 2.25 Grams Per Watt )




2' x 2' Area @12" (.3m) Hanging Height PPFD: 810


 (Tested with Apogee MQ-500 PAR Meter)

PAR Meter Reading @12" (center of footprint)


PPFD for XL4 COB ARRAY @520 watts: 

15" Hanging Height 

PPFD: 732



18" Hanging Height 

PPFD: 687

(Tested Using Apogee MQ-500 PAR Meter)

Spectrum of Bloom Enhancer: Full Spectrum + FAR RED + UV & IR


 Spectrum of Bloom Enhancer & COBs Combined: 

 (Full Spectrum + FAR RED + Ultra Violet & Infrared)



Lifetime: 100,000 Hours 

Warranty: Lifetime Warranty (10 Years)

Shipping: Free Shipping to over 100 countries

Light Fixture: Four Optic 1XL + Far Red Bloom Enhancer

Cables: 6 Foot attached power cord with On/Off Switch

Plug: USA, UK, EURO, Canada, Africa, Australia & many more

(we automatically ship the correct power cord for your country)

Dimming: On/Off Switch & 10% - 100% Dimmability

Hanger: Rope Ratchets included for all fixtures

Recommended for: Grow Tents, Grow Rooms, All Grow Spaces


*International Shipments may require Taxes & Duties. Contact us for a quote!

Optic LED Far Red Bloom Enhancer Array Patent Pending.