10 Best 4x4 grow lights of 2025

Save up to 34% off

Best Choice

1

AC Infinity

AC Infinity IONFRAME EVO6, Samsung LM301H EVO Bar LED Grow Light 4x4, 1680 Diodes, with Schedule Controller, 500W Full-Spectrum Commercial Plant Lights for Indoor Growing in Grow Rooms & Greenhouses
9.9

Exceptional

Our Rating
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Value for Money

2

VIPARSPECTRA
VIPARSPECTRA KS5000 LED Grow Light, 500W with Samsung LM301H Diodes, Uniform PPFD, Dimmable Daisy Chain 6 Bars, Full Spectrum Commercial Grow Lamp for Indoor Plants, Suitable for 4x4/5x5 Grow Tent
Main highlights

Energy Efficiency and Yield Enhancement
Uses Samsung LM301H and OSRAM diodes for higher yields with lower costs.

Versatile Growing Applications
Ideal for commercial growing, vertical farming, and hydroponics.

Customer Praised Heat Management
Effective heat dissipation with remote mounting options.
9.7

Exceptional

Our Rating

9.9
Easy to build

9.5
Luminosity

9.3
worth the money
3

Barrina
Barrina 4x4 Grow Lights for Indoor Plants Full Spectrum, BU2000 Dimmable, Adjustable LED Grow Light Panel, 816 LEDs, High PPFD, Plant Lights for Indoor Growing, Seedling, Flowering and Fruiting
Main highlights

Adjustable Grow Light Panel
The Barrina BU 2000 allows angle adjustments for spotlight or floodlight, enhancing light efficiency and plant exposure.

Ideal for Indoor Flowering
Full spectrum LEDs, including red and IR light, are perfect for flowering and fruiting indoor plants.

Customer Praised Reliability
Users appreciate the light's consistent performance and effective plant growth results.
9.5

Excellent

Our Rating

9.7
Luminosity

9.5
Efficient Energy Use

8.9
worth the money
4

VIVOSUN
VIVOSUN VS4000 LED Grow Light with Samsung LM301 Diodes & Brand Driver Dimmable Full Spectrum Sunlike Lights for Seedling Veg & Bloom Plant Lamp for 4x4/5x5 Tent
Main highlights

High Energy Efficiency
Uses Samsung LM301 diodes for 2.9 µmol/J efficiency, consuming only 400W.

Ideal for Various Tent Sizes
Perfect for 3x3 or 2x4 tents; adaptable to 4x4.

Praised Customer Service
5-year warranty with responsive support and easy replacements.
9.3

Excellent

Our Rating

9.5
Efficient Energy Use

8.7
Luminosity

8.0
worth the money
5

CANAGROW
CANAGROW CG2400 LED Grow Light for Indoor Plants 4x4ft Coverage with High Yield Diodes, Sunlike Full Spectrum Dimmable Growing Lamps for Hydroponic Indoor Seeding Veg Bloom Greenhouse
Main highlights

High Energy Efficiency
The CG2400 LED Grow Light uses 608 high-quality diodes, offering energy efficiency of 2.5 mol/J while consuming only 240 watts.

Versatile Growth Applications
Ideal for all plant growth stages, including germination, vegetative, and flowering, making it perfect for hydroponic and greenhouse setups.

Excellent Customer Feedback
Praised for its brightness, build quality, and effective heat dissipation, ensuring optimal plant growth.
9.2

Excellent

Our Rating
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6

SZHLUX
SZHLUX 500W LED Grow Light 4x4/5x5ft with Timer and Temp Control, Full Spectrum Grow Lamp with 1056 Diodes,Indoor Plants for Seedling Veg and Bloom Grow Light
Main highlights

High Efficiency and Cost-Effective
SZHLUX PT LED Grow Lights offer 2.7 umol/J efficiency, 500W power, and lower cost than HPS lamps.

Versatile for All Growth Stages
Full spectrum lighting suitable for seedling, vegetative, and flowering stages, enhancing plant growth and yield.

Highly Praised Temperature Control
Customers appreciate the automatic temperature control feature, preventing plant burn and ensuring optimal growth conditions.
9.1

Excellent

Our Rating

9.9
Simple to use

9.3
Luminosity

9.1
Time function
7

Spider Farmer
Spider Farmer 2024 New SF4000 LED Grow Light 4x4 with Samsung LM301H EVO High Efficiency & Dimmable Lighting, Full-Spectrum Commercial Plant Lights

28% Off
Main highlights

Cutting-Edge Efficiency
Outperforms LM301B/H, Bridgelux 3030 with 3.14 mol/J PPE, potent blue spectrum, silent operation, and a 5-year warranty.

Versatile Growth Stages Support
Full spectrum with white, blue, red, IR for all growth stages, speeds up flowering, boosts yields, ideal for indoor and commercial planting.

Customer Satisfaction Highlight
Highly praised for uniform light distribution, solid build quality without fan noise, and effective customer service support.
9.0

Excellent

Our Rating

9.7
Luminosity

9.7
Durability

9.5
Light weight
8

MARS HYDRO
MARS HYDRO TS 3000 450W LED Grow Light for Indoor Plants Full Spectrum Commercial Grow Daisy Chain Plant Growing Lamp for 4x4 5x5ft Greenhouse & Grow Tent

34% Off
Main highlights

Enhanced Light Intensity and Coverage
The TS3000 features a patented reflector design with a 120-degree refraction angle, boosting light absorption and intensity.

Ideal for Indoor Plant Growth
Perfect for 5x5 veg and 4x4 bloom stages, maximizing growth in greenhouses and tents.

Dimming and Daisy Chain Flexibility
Praised for its dimming and daisy chain capabilities, allowing easy control and scalability.
8.9

Very Good

Our Rating

9.5
Luminosity

9.5
Simple to use

9.3
Durability
9

MARS HYDRO
MARS HYDRO 2025 New Version FC-E4800 Foldable LED Grow Light 4x4ft Full Spectrum Grow Light Bar 480Watt Plant Growing Light Remote Control Dimmable Commercial Grow Lamp Daisy Chain
Main highlights

Key Features and Benefits
High-efficiency with 2.8 mol/J PPE, 2646pcs BridgeLux Diodes, and 480W power, offers max 2.5g yield/watt for cost-effective, quality crop production.

Ideal Use Cases
Perfect for both personal and commercial grow spaces (4x4ft personal, 3x3ft commercial), suits full-cycle hydroponic, soil, grow tent/room setups.

Customer Reviews Highlight
Most praised for its superior heat dissipation and energy savings, leading to lower electricity bills and cooler grow environments.
8.8

Very Good

Our Rating

9.9
Luminosity

9.7
Simple to use

9.7
Durability
10

Spider Farmer
Spider Farmer SE5000 480W LED Grow Light, Samsung LM301H EVO Diodes, 2025 Upgraded Remote App Control, Full Spectrum Dimmable Daisy Chain Bar Style Growing Lamp for Indoor Plants, 4x4ft Coverage
Main highlights

Key Features and Benefits
Features 1680 Samsung LM301B diodes, 480W power draw, 1333 umol/s with a PPE of 2.75 umol/J, and advanced full spectrum for all growth stages.

Ideal Use Cases
Optimal for 4x4ft areas in grow rooms, tents, closets, DWC, or hydroponics setups, enhancing full-cycle growth from seedlings to harvest.

Customer Reviews Highlight
Most praised for its uniform light distribution, energy efficiency, and effective heat dissipation, leading to healthier plants and higher yields.
8.5

Good

Our Rating

9.7
Time function

9.5
Easy to build

9.3
Luminosity

10 Best 4x4 grow lights of 2025

1

AC Infinity IONFRAME EVO6, Samsung LM301H EVO Bar LED Grow Light 4x4, 1680 Diodes, with Schedule Controller, 500W Full-Spectrum Commercial Plant Lights for Indoor Growing in Grow Rooms & Greenhouses

2

VIPARSPECTRA KS5000 LED Grow Light, 500W with Samsung LM301H Diodes, Uniform PPFD, Dimmable Daisy Chain 6 Bars, Full Spectrum Commercial Grow Lamp for Indoor Plants, Suitable for 4x4/5x5 Grow Tent

9.9

9.5

9.3

3

Barrina 4x4 Grow Lights for Indoor Plants Full Spectrum, BU2000 Dimmable, Adjustable LED Grow Light Panel, 816 LEDs, High PPFD, Plant Lights for Indoor Growing, Seedling, Flowering and Fruiting

9.7

9.5

8.9

4

VIVOSUN VS4000 LED Grow Light with Samsung LM301 Diodes & Brand Driver Dimmable Full Spectrum Sunlike Lights for Seedling Veg & Bloom Plant Lamp for 4x4/5x5 Tent

9.5

8.7

8.0

5

CANAGROW CG2400 LED Grow Light for Indoor Plants 4x4ft Coverage with High Yield Diodes, Sunlike Full Spectrum Dimmable Growing Lamps for Hydroponic Indoor Seeding Veg Bloom Greenhouse

6

SZHLUX 500W LED Grow Light 4x4/5x5ft with Timer and Temp Control, Full Spectrum Grow Lamp with 1056 Diodes,Indoor Plants for Seedling Veg and Bloom Grow Light

9.9

9.3

9.1

7

Spider Farmer 2024 New SF4000 LED Grow Light 4x4 with Samsung LM301H EVO High Efficiency & Dimmable Lighting, Full-Spectrum Commercial Plant Lights

9.7

9.7

9.5

8

MARS HYDRO TS 3000 450W LED Grow Light for Indoor Plants Full Spectrum Commercial Grow Daisy Chain Plant Growing Lamp for 4x4 5x5ft Greenhouse & Grow Tent

9.5

9.5

9.3

9

MARS HYDRO 2025 New Version FC-E4800 Foldable LED Grow Light 4x4ft Full Spectrum Grow Light Bar 480Watt Plant Growing Light Remote Control Dimmable Commercial Grow Lamp Daisy Chain

9.9

9.7

9.7

10

Spider Farmer SE5000 480W LED Grow Light, Samsung LM301H EVO Diodes, 2025 Upgraded Remote App Control, Full Spectrum Dimmable Daisy Chain Bar Style Growing Lamp for Indoor Plants, 4x4ft Coverage

9.7

9.5

9.3

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