Optic LED

Optic 4 Gen4 370w Dimmable LED Grow Light


Bulk/wholesale pricing available for this product:
call us or email us for volume quote.


USA Orders: Ships within 1 business day
Outside USA Orders: Ships within 1-4 business days



Coverage Footprint:

Flower:                                           Veg:           

3' x 3' area (.9m x .9m)                    4' x 4' area (Up to 7' x 7' area)

3.3' x 3.3' area (1m x 1m)  

Max: 4' x 4' Area (1.2m x 1.2m)

(3' x 3' Grow tent shown below .9m x .9m)

Hanging Height : 

Flower: 18"-30"    

VEG: 30-36"


Optic 4 Gen4 Components:

LEDs: 264 Total LEDs 

COBS: 4 CREE Xlamp CXB3590 top bin 137-watt max COB LED Chips

       - COBs are driven at 65 watts Each (on max power)

       - Warm White and Cool White COBs

       - Stainless Steel Solderless COB Holders


                OFF                                      5%                                   100%

Bloom Enhancers:

- Bloom Enhancers Driven at 100 watts (on max Power ) 

- 16 pcs CREE XPE 660 nm Deep Red LEDs 

- 8 pcs CREE XPE 460nm Royal Blue LEDs

144 pcs Samsung LM301H 3500k top bin LEDs. - 4 LEDs per Lens. 

- 3 pcs Ultra Violet LEDs (Dim Purple LED)

- 3 pcs Infrared LEDs (Dim Red Dot)


Optics : 

CREE CXB3590 COBs: 120 Degree Wide Beam Glass Lens

Samsung LM301H LEDS: 120 Degree Wide Beam Primary & Secondary Lens

CREE XPE LEDs: 120 Degree Primary & Secondary Wide Beam Lens

Dimmers: 2 Independent Dimmers 

- 1 Dimmer Controls the 6 COBs together

- 1 Dimmer Controls all the bloom enhancers


Drivers: 2 Meanwell Dimmable Drivers - 370 watts Max Power Combined


Thermal management: Fan Cooled - 4 Cooling Fans - 

(Warning: Do not cover the intake fans on top of the LED Fixture)

PPF/w: 2.28 umols/j

PPFD Optic 6 Gen4: 903.9

(Tested with Apogee MQ-500 meter in 4x4 / 1.2m x 1.2m Tent)  

18" Hanging Height PPFD: 1,035

24" Hanging Height PPFD: 886


Spectrum: Full Spectrum White Light 3500k (Mixed White Light LEDs)

+ 660nm Deep RED + 450nm Royal Blue + Ultra Violet & Infrared




Kelvin: 3500k

PPFD @18": 1,035 

ppf/w :  2.26  umols/ J

Actual Power Draw: 370 watts max

Grams Per Watt: up to 2.4

Yield: Up to 888 grams / 31.71 oz / up to 1.98lbs

Lifetime: 100,000 Hours+  

Warranty: 10 Years full warranty - Lifetime warranty on Meanwell Driver 

Shipping: Free Shipping to 60+ countries 

Cables: 6 Foot detachable power cord (Interchangeable for all countries)

Plug: USA, CANADA, EURO, AUS, Commercial/ Industrial.

(We automatically ship the correct cord for your country)

Dimming: 2 Independent Dimmers 10% - 100%

Fixture Dimensions: 18" x 18" x 4"

Fixture Weight: 24 lbs

Shipping Weight: 26 Lbs

Hanger: Comes with 4 adjustable rope ratchet hangers.

Recommended for: Grow Tents, Grow Rooms, Greenhouses & Indoor Cultivations. 

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

Sales@OpticLEDGrowLights.com  - Optic 6 gen4 Patent Pending.



Free Continental
US Delivery over 99$

Safe Checkout

Free, Fast Local Shipping

All continental US orders over $99 qualify for free shipping.

Discreet Shipping

We understand the importance of privacy to many of our customers. All orders placed on Growbuds are shipped in plain boxes without explicit identifying marks.

Estimated Arrival

Between 1 and 5 business days, depending on your location.

Easy Returns

For up to 90 days, depending on the brand.


Please refer to our Shipping & Returns policy page for more detailed information.

All products sold on Growbuds are subject to the respective manufacturer’s warranty policy, which can be found on manufacturers websites or by contacting them. If your product fails in the remainder of our returns period, the manufacturer's warranty policy will prevail. In this case, send us an email at support@wegrowbuds.co and we will assist you in your warranty claim by helping you coordinate with the original manufacturer.

Our experienced commercial team has helped supply hundreds of indoor, outdoor and commercial greenhouses projects in Canada and the United States.

Looking to get a quick quote? Contact us at support@wegrowbuds.co or call at 1-877-900-2632 option 2 to talk with a Growbuds sales representative. Otherwise please fill out the quick form below and we will be in touch as soon as possible.

United States Headquarters

2915 Ogletown Road
Newark, DE 19713, United States

Canada Headquarters

295 Cure-Labelle Boulevard,
Laval, QC H7L 2Z9, Canada

Call Us

Toll Free: 1-877-900-2632
Hours: 9AM - 5:00PM EST

Email Us


You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

10 Reasons To Trust Growbuds With Your Business

Customer Service

We are here to help and want the best for you. Use our live chat, email us at support@wegrowbuds.co or call us at 1-877-900-2632 during business hours. We are always here for you.

Full Warranties and Generous Return Policies

We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand.

Earn Growbuds Points

Earn points on all your purchase and save big on your next purchases. You'll earn 4 "Nugs" for every dollar your spend. You can then use your "Nugs" to save on your next grow room upgrades. Get started by creating a free account today.

Price Match

We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase.

Discreet Insured Shipping

All orders ship via FedEx, UPS, and USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.

Hassle-Free Returns

For up to 90 days, please refer to our Shipping & Returns policy page for more information.

Free Shipping

On orders over $99 to the lower 48 states.

No Sales Tax Anywhere

Except for MI, and CA for some brands.

Authorized Dealers

We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.

Safe & Secure Systems

In place for every payment transaction.

Frequently Asked Questions

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Growbuds Grow Club

Get the rewards you deserve. With the Growbuds Club, you'll earn rewards for every dollar your spend and save big on your future grow room upgrades. Get started by creating a free account today.

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Free Continental
US Delivery over 99$

Safe Checkout