Skip to content
Grower's Choice ROI-FF 650 Watt | 4x4 Flowering

Grower's Choice ROI-FF 650 Watt | 4x4 Flowering

See more by Grower's Choice
SKU: ROI-FF-650

Official Distributor

$979.00
Preview Icon

Or

Monthly payments start at:

$27.19/mo

Check Icon

Monthly Payment Start at:

$27.19/mo

Contact us about commercial pricing

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

Is the Grower's Choice ROI-FF 650W | 4x4 Flowering LED Grow Light the right product for you?

The Grower's Choice ROI-FF 650W LED Grow Light is an ideal solution for indoor gardeners aiming to achieve optimal results in a 4x4 grow space. With its efficient energy use and full-spectrum output, this light is designed to maximize your yield while keeping operational costs low, making it an excellent choice for both hobbyists and professionals.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

Grower's Choice ROI-FF 650W | 4x4 Flowering LED Grow Light

The Grower's Choice ROI-FF 650W LED Grow Light stands out for its impressive 1950 PPF output and 3.0 μmol/J efficiency. This full-spectrum light, specifically tailored for the flowering stage, ensures superior plant growth while minimizing energy consumption, making it a valuable addition to any indoor garden.

  • High efficiency, energy saving technology
  • Full spectrum light for all stages of plant growth
  • Quiet operation with passive cooling
  • Easy to install and use

Product Overview

The Grower's Choice ROI-FF 650W | 4x4 Flowering LED Grow Light is a top-tier lighting fixture designed for indoor gardening. It offers exceptional energy efficiency with a high Photosynthetic Photon Flux (PPF) output of 1950 μmol/s, providing the optimal light spectrum for the flowering phase. With robust construction, an IP66 rating, and passive cooling, this grow light is built to last and easy to integrate into any indoor setup.

Advanced Technology

The Grower's Choice ROI-FF 650W LED Grow Light is equipped with advanced technology, allowing for easy customization with dimmable features and compatibility for daisy chaining. This makes it a versatile and powerful choice for indoor growers looking to optimize their setups efficiently.

Specifications

Product Specifications - Grower's Choice ROI-FF 650W 4x4 Flowering Light
Wattage draw at the wall 650 watts
HPS equivalent 1000w
Spectrum GC-3K Full Phase
PPF (light output) 1950 umol/s
PPF/Watt 3.0 umol/j
Coverage area 4' x 4'
Dimensions 45” L x 44” W x 4.2” H
Product weight 20 lbs
Plug NEMA 6-15P 240V plug (NEMA 5-15P 120V plug adapter included)
Additional details IP66; DLC Hort Listed, ETL-listed; CE certified
User Manual PDF
Spec Sheet PDF

What is included?

The Grower's Choice ROI-E420 Full Spectrum LED Grow Lights - 420 Watts kit includes the following:

  • ROI-FF Series LED System
  • 1ft NEMA 6-15P 240V - M25 Plug • RJ Data Cable
  • 240V/120V Adaptor
  • User Manual
  • Rope Ratchets

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

Is the Grower's Choice ROI-FF 650W Right for Me?

The ROI-FF 650W LED Grow Light is designed for both home and commercial flowering setups, covering a 4'x4' area. With a GC-3K full-spectrum output of 1950 μmol/s and 3.0 μmol/J efficiency, it provides optimal PPFD for flowering plants. Passive cooling, daisy-chain capability, and IP66 durability make it ideal for efficient, long-lasting indoor horticulture.

Features & Benefits

Specifications

What is included?

Warranty & Returns

Features

Maximize your Plant Growth

Designed for serious growers, the ROI-FF 650W delivers high-efficiency 3K full-spectrum lighting tailored for flowering. With 1950 μmol/s PPF output, passive cooling, IP66 water/dust resistance, onboard dimming, and daisy-chain capability, this 650W fixture provides superior canopy penetration and uniform light coverage. Perfect for 4x4 tents, grow rooms, and commercial flowering environments.

Passive Cooling System

Onboard 0-10V Dimming

GC-3K Full-Spectrum Output

650W Power Consumption

1950 μmol/s PPF Output

4'x4' Coverage Area

Benefits of LED Grow Lights

LED grow lights offer numerous benefits for plant cultivation. They are energy-efficient, customizable in spectrum, emit minimal heat, and have a long lifespan. These qualities reduce costs, enhance growth, and promote environmentally friendly and low-maintenance cultivation practices.

Instant On/Off

It allows precise control over light cycles.

Full Spectrum Lighting

This promotes healthier and more robust plant growth.

Low Heat Emission

This reduces the risk of heat stress and saves them from damaging

Easy Installation

LED grow lights require less maintenance, saving you time and effort.

Optimized Light Output

Allows you to adjust the light spectrum to suit different plant types and growth stages

Power Saver

LED grow lights save energy, costs, and promote sustainable cultivation.

Durable Design

Constructed with top-quality materials, ensuring prolonged use in various conditions.

Consistent Output

Engineered for sustained performance, guaranteeing optimal light output over time.

wetanddry

Why Grower's Choice

Grower's Choice LED grow lights stand out among other brands due to their commitment to quality, advanced technology, and proven results. With a focus on energy efficiency, customizable spectrums, and features like power-saving and temperature control, Grower's Choice offers growers a superior, reliable, and sustainable solution for achieving optimal plant growth.

Their dedication to innovation and customer satisfaction sets them apart in the competitive world of horticultural lighting.

wetanddry

Spectrum Matters

The ROI-FF 650W is engineered with a 3K full-spectrum output optimized for flowering, combining deep red, white, and UV diodes. Its algorithmically spaced LEDs ensure even canopy penetration, eliminate hotspots, and maximize flower development. High-efficiency design delivers 3.0 μmol/J, reducing energy costs while providing plants with the precise light they need for superior yields.

Optimized Full Spectrum

Combines white, red, and UV diodes to support flowering and full-cycle growth for robust yields.

Deep Canopy Penetration

Algorithmically spaced LEDs ensure even distribution, reducing hotspots and increasing uniformity across the canopy.

High-Efficiency Output

Rated at 3.0 μmol/J, it delivers high-quality light with lower energy consumption for cost-effective operation.

Why Thousands of Growers Choose to Work Exclusively with Greenhouse with plants

Green Thumb Depot Logo

Them Green Thumb Depot Logo

icons-no Support
icons-no Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
icons-no Real humans. We answer quickly. Always here, always helpful
icons-no Order Processing
icons-no Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
icons-no Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
icons-no Shipping
icons-no Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
icons-no Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
icons-no Pricing
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady tactics after the sale.
icons-no Returns & Warranty
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
icons-no Support
icons-no Frustrating automated responses
icons-no Fast, helpful and always supportive
icons-no Order Processing
icons-no Delays and lack of communication
icons-no Instant processing and updates
icons-no Shipping
icons-no Slow, unreliable and delayed service
icons-no Fast, insured, trackable shipping
icons-no Pricing
icons-no Deceptive pricing practices
icons-no Lowest prices, no surprises
icons-no Return & Warranty
icons-no Frustrating, misleading return policies
icons-no Clear, honest return policy

FAQ Section

What spectrum does the ROI-FF 650W emit?
It emits a GC-3K full spectrum optimized for flowering, combining red, white, and UV diodes.
What coverage area does the ROI-FF 650W support?
It provides uniform light coverage for a 4'x4' flowering area.
Is it dimmable?
Yes, it features onboard 0-10V dimming and daisy-chain compatibility for precise light control.
Can it be used in humid environments?
Yes, it is IP66-rated, resistant to dust and water spray.
What is the lifespan of the ROI-FF 650W?
The LEDs have a rated lifespan of 50,000+ hours (L90).
What voltage does it support?
Supports 110-277V AC with NEMA 6-15P 240V plug (adapter for 120V included).
Is there a warranty?
Yes, it comes with a 5-year standard manufacturer’s warranty.

Specifications

SPECS & DIMENSIONS

Weight 20 lbs.
Dimension 45"L x 44"W x 4.2"H
LED Light Spectrum GC-3K Full Spectrum
Warranty 5 Years

MATERIALS & POWER

Voltage and Current

  • Operates at 110-277V AC, compatible with standard household and commercial voltages.

LED Diodes

  • High-efficiency GC-3K diodes with red, white, and UV wavelengths for optimal flowering.

Power Supply

  • Includes integrated driver converting AC voltage to optimized DC for LED operation.

LED Lights

Dimmability

  • Onboard 0-10V dimming and daisy-chain compatibility for adjustable light intensity at all growth stages.
Brand Grower's Choice
SKU ROI-FF-650W
Weight (lb.) 20
Length (in.) 45
Width (in.) 44
Height (in.) 4.2
LED Light Spectrum GC-3K Full Spectrum
LED Fixture Type Multi-Bar
LED Features Dimmable 0-10V, Daisy-Chain Capable, Full-Spectrum 3K Output
PAR Efficiency 3.0 μmol/J
Warranty 5 Years

What is Included?

What’s in the box.

  • ROI-FF 650W LED System
  • 1ft NEMA 6-15P 240V Plug / 120V Adapter
  • RJ Data Cable for Daisy-Chaining
  • Rope Ratchets for Mounting
  • User Manual

Warranty Policy

It's recommended to contact Grower's Choice for specific warranty information related to their LED grow lights. Please note that warranty details may vary depending on the product model, purchase location, and other factors.

>