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Having trouble choosing a grow light? Check out our article - What is the best grow light for your needs? It covers all the main factors you need to consider.

Optic 4 XL Dimmable COB Grow Light

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$875.00 $1,299.00

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  • All orders ship DISCREETLY within 2 business days.

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Note: For a limited time, the Optic 4 XL will ship with 4 free rope ratchets, making it much easier to adjust the height of your light.

 

The Optic 4 XL features 4 high-yielding CREE XLAMP CXB3590 COBs and supplemental 3 watt Osram LEDs for an extremely powerful output. The COBs have 120 degree lenses for a larger coverage area.

The result is a huge improvement in yield per watt and in bud density, trichome density, colors in your flowers and terpene profiles. You can expect yields of up to 2.25 pounds per harvest which is an incredible 2.25 grams per watt.

 

Optic 4 XL COB Grow Light Features

  • Equivalent to 1000w SE HPS: insane output for only 460w draw
  • Top-of-the-line COBs: 4x 3500k daylight white 137w CREE CXB3590 COBs driven at 80w
  • 3 Watt Supplemental LEDs: red, blue, white, IR and UV to give plants more of the light they crave
  • 3 Modes: run at full power, COBs only, or 3 watt LEDs only to save power when you don't need full output
  • 4.5 by 4.5 coverage area: 4 x 4 is the focused coverage
  • 5 year warranty: buy risk free

 

Top Quality LEDs Deliver Extreme Power

The LEDs in the Optic 4 XL fixture are equivalent to a single ended 1000 watt HPS bulb in terms of their output. Included are:

  • 4x 3500K CREE 137 watt XLAMP CXB3590 COBs driven continuously at 80 watts
  • 32x 3 watt Osram LEDs

Both the COBs and the 3 watt diodes have the power to penetrate deep below the canopy. 120 degree secondary lenses focus the light even further to magnify PAR and increase the canopy penetration by up to 200%. 

This table shows the canopy penetration (umol at the center for various depths)

Optic 4 XL Canopy Penetration

 

The PPFD at 18 inches is 658.92. The following table shows the PAR footprint over a 4x4 area at 18 inches.

Optic 4 XL PPFD Footprint at 18 inches

 

The PPFD at 24 inches is 600.59. The following table shows the PAR footprint at 24 inches.

Optic 4 XL PAR Chart at 24 inches

 

The recommended hanging height during flowering is 18 to 24 inches for a 4 x 4 foot coverage.

Hanging the light at 24 to 30 inches gives a coverage are of 4.5 x 4.5 feet.

For vegging, hang the light at 30 inches, using the COBs only. It covers a 5 x 5 area while vegging.

 

Perfect Full Spectrum Light

The COBs deliver a 3500K full-spectrum white light that is great for all stages of growth. The supplemental 3 watt LEDs add red, blue, white, UV and IR light to give plants even more of the wavelengths they need the most.

 

Light Controls On The Optic 4 XL

The Optic 4 XL features separate switches for the COBs and the 3 watt bloom enhancers. It also has separate dimming knobs for each.

Optic 4 XL dimmers

The COB dimmer allows you to set the 4 COB LEDs between 10 and 100% power. The bloom enhancer does the same for the supplemental diodes (10-100% power).

The switches allow you to run only the COBs or only the supplemental diodes if you don't need full power. The following charts show the spectrum with COBs only and with all lights on.

 

Spectrum with 3500K COBs only:

Optic 4 XL 3500K COB Only Spectrum

 

Spectrum with all lights on:

Optic 4 XL Full Spectrum

  

3 Modes Save On Electricity Costs When You Don't Need Full Power

You can run the Optic 4 XL at full power or you can run either only the COB lights or only the 3 watt supplemental LEDs. Being able to turn off some of the lights lets you save on power costs when you don't need the full output.

COB lights only

 

3 watt Osram bloom enhancers only

 

Full power

  

Package Includes

  • 1x Optic 4 XL light fixture
  • 1x 120V power cord for US orders (international orders ship with the standard cord for your country; cord can be changed upon request)
  • 4x Heavy-duty rope ratchet hangers

  

The Optic LED Optic 4 XL light is a powerful fixture that delivers the output of a 1000 watt HPS light but only uses 460 watts of power.

It features daylight white COBs, plus red, white, blue, IR and UV 3 watt diodes, in a perfect combination to grow cannabis.

Click on 'Add to Cart' above and get yours today!

Actual Wattage 460 watts
HID Equivalent 1000 watts
LED Chips 4 x CREE COB LEDs and 32 x 3 watt supplemental Osram LEDs
Input Voltage 110v to 240v AC
Current 3.84 amps at 120v; 1.9 amps at 240v
Spectrum full spectrum plus IR and UV
PAR 1660 umol/m2/s at center of footprint at 18"
Coverage Area Veg: 5 by 5 ft; Flower: 4.5 by 4.5 (4 x 4 focused)
Expected Yield 2.25 pounds
Thermal Management 5x cooling fans, slotted housing and 20% overbuilt aluminum fin heat-sinks.
Dimensions 24 by 24 inches
Product Weight 33 lbs
Recommended Height Above Plants 18 to 24 inches for flower; 24 to 30 for veg
Box Includes fixture, power cord; 4 heavy-duty ratchet hangers
Manufacturer's Warranty 5 years
  • Free shipping on all orders over $100 in the continental US and internationally for select brands.
  • Estimated Arrival: Between Dec 20 and Dec 27.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

Optic LED grow lights come with a 5-year manufacturer's warranty.

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 Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. 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 (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we've purchased buyer's insurance that guarantees the lowest price. If you find a lower online price within a month after purchase, you will get a refund of up to $500 for the difference.
  4. Free 4x Buyer's Insurance. In addition to the low price guarantee, you are also covered against any shipping problems, identity theft and terms of service breaches. And it's all on us (details here).
  5. Hassle-Free Returns. If you aren’t absolutely satisfied, return your light within 30 to 90 days, depending on the brand (details here).
  6. Free Shipping on orders over $100 to the lower 48 states.
  7. No Sales Tax Anywhere (excluding WY).
  8. Authorized Dealers. We only carry American brands whose lights have been extensively tested by real growers. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, to help you find the perfect light for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

Note: For a limited time, the Optic 4 XL will ship with 4 free rope ratchets, making it much easier to adjust the height of your light.

 

The Optic 4 XL features 4 high-yielding CREE XLAMP CXB3590 COBs and supplemental 3 watt Osram LEDs for an extremely powerful output. The COBs have 120 degree lenses for a larger coverage area.

The result is a huge improvement in yield per watt and in bud density, trichome density, colors in your flowers and terpene profiles. You can expect yields of up to 2.25 pounds per harvest which is an incredible 2.25 grams per watt.

 

Optic 4 XL COB Grow Light Features

  • Equivalent to 1000w SE HPS: insane output for only 460w draw
  • Top-of-the-line COBs: 4x 3500k daylight white 137w CREE CXB3590 COBs driven at 80w
  • 3 Watt Supplemental LEDs: red, blue, white, IR and UV to give plants more of the light they crave
  • 3 Modes: run at full power, COBs only, or 3 watt LEDs only to save power when you don't need full output
  • 4.5 by 4.5 coverage area: 4 x 4 is the focused coverage
  • 5 year warranty: buy risk free

 

Top Quality LEDs Deliver Extreme Power

The LEDs in the Optic 4 XL fixture are equivalent to a single ended 1000 watt HPS bulb in terms of their output. Included are:

  • 4x 3500K CREE 137 watt XLAMP CXB3590 COBs driven continuously at 80 watts
  • 32x 3 watt Osram LEDs

Both the COBs and the 3 watt diodes have the power to penetrate deep below the canopy. 120 degree secondary lenses focus the light even further to magnify PAR and increase the canopy penetration by up to 200%. 

This table shows the canopy penetration (umol at the center for various depths)

Optic 4 XL Canopy Penetration

 

The PPFD at 18 inches is 658.92. The following table shows the PAR footprint over a 4x4 area at 18 inches.

Optic 4 XL PPFD Footprint at 18 inches

 

The PPFD at 24 inches is 600.59. The following table shows the PAR footprint at 24 inches.

Optic 4 XL PAR Chart at 24 inches

 

The recommended hanging height during flowering is 18 to 24 inches for a 4 x 4 foot coverage.

Hanging the light at 24 to 30 inches gives a coverage are of 4.5 x 4.5 feet.

For vegging, hang the light at 30 inches, using the COBs only. It covers a 5 x 5 area while vegging.

 

Perfect Full Spectrum Light

The COBs deliver a 3500K full-spectrum white light that is great for all stages of growth. The supplemental 3 watt LEDs add red, blue, white, UV and IR light to give plants even more of the wavelengths they need the most.

 

Light Controls On The Optic 4 XL

The Optic 4 XL features separate switches for the COBs and the 3 watt bloom enhancers. It also has separate dimming knobs for each.

Optic 4 XL dimmers

The COB dimmer allows you to set the 4 COB LEDs between 10 and 100% power. The bloom enhancer does the same for the supplemental diodes (10-100% power).

The switches allow you to run only the COBs or only the supplemental diodes if you don't need full power. The following charts show the spectrum with COBs only and with all lights on.

 

Spectrum with 3500K COBs only:

Optic 4 XL 3500K COB Only Spectrum

 

Spectrum with all lights on:

Optic 4 XL Full Spectrum

  

3 Modes Save On Electricity Costs When You Don't Need Full Power

You can run the Optic 4 XL at full power or you can run either only the COB lights or only the 3 watt supplemental LEDs. Being able to turn off some of the lights lets you save on power costs when you don't need the full output.

COB lights only

 

3 watt Osram bloom enhancers only

 

Full power

  

Package Includes

  • 1x Optic 4 XL light fixture
  • 1x 120V power cord for US orders (international orders ship with the standard cord for your country; cord can be changed upon request)
  • 4x Heavy-duty rope ratchet hangers

  

The Optic LED Optic 4 XL light is a powerful fixture that delivers the output of a 1000 watt HPS light but only uses 460 watts of power.

It features daylight white COBs, plus red, white, blue, IR and UV 3 watt diodes, in a perfect combination to grow cannabis.

Click on 'Add to Cart' above and get yours today!

Actual Wattage 460 watts
HID Equivalent 1000 watts
LED Chips 4 x CREE COB LEDs and 32 x 3 watt supplemental Osram LEDs
Input Voltage 110v to 240v AC
Current 3.84 amps at 120v; 1.9 amps at 240v
Spectrum full spectrum plus IR and UV
PAR 1660 umol/m2/s at center of footprint at 18"
Coverage Area Veg: 5 by 5 ft; Flower: 4.5 by 4.5 (4 x 4 focused)
Expected Yield 2.25 pounds
Thermal Management 5x cooling fans, slotted housing and 20% overbuilt aluminum fin heat-sinks.
Dimensions 24 by 24 inches
Product Weight 33 lbs
Recommended Height Above Plants 18 to 24 inches for flower; 24 to 30 for veg
Box Includes fixture, power cord; 4 heavy-duty ratchet hangers
Manufacturer's Warranty 5 years
  • Free shipping on all orders over $100 in the continental US and internationally for select brands.
  • Estimated Arrival: Between Dec 20 and Dec 27.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

Optic LED grow lights come with a 5-year manufacturer's warranty.

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 Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. 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 (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we've purchased buyer's insurance that guarantees the lowest price. If you find a lower online price within a month after purchase, you will get a refund of up to $500 for the difference.
  4. Free 4x Buyer's Insurance. In addition to the low price guarantee, you are also covered against any shipping problems, identity theft and terms of service breaches. And it's all on us (details here).
  5. Hassle-Free Returns. If you aren’t absolutely satisfied, return your light within 30 to 90 days, depending on the brand (details here).
  6. Free Shipping on orders over $100 to the lower 48 states.
  7. No Sales Tax Anywhere (excluding WY).
  8. Authorized Dealers. We only carry American brands whose lights have been extensively tested by real growers. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, to help you find the perfect light for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

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