Top 10 400W Led Grow Light of 2022
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It’s not always simple to purchase a 400W Led Grow Light. Being dazed is easy when you see hundreds of variations are available in the market for the same 400W Led Grow Light by different manufacturers. According to the performance, quality, longevity and overall user experience, they are so similar that you may get hard to make your final buying decision. On that situation, only one thing can assist to find out the best 400W Led Grow Light and make a winning deal for you.
There are few very essential topics which you must count before buying a 400W Led Grow Light, and that is what we are going to discuss about in the below. It’s a proper review guideline for you that will include the advantages and disadvantages of your preferred product, as well as its sustainability, affordability, functionalities, and practical benefits. There will also be a solid comparison of a few related products. Now you can easily choose the best one for you. Let’s take a look inside.
Last update on 2025-08-27 at 17:16 / Affiliate links / Images from Amazon Product Advertising API
Top 10 Best 400W Led Grow Light Review In 2022
In this section, we attempted to identify the top ten 400W Led Grow Light from thousands of products. This list will make you feel confident in your ability to obtain your chosen 400W Led Grow Light in a matter of minutes. We prioritized their utility, performance, durability, look, cost, and previous user experiences. We are confident that this list of the top 10 400W Led Grow Light will help you find the one that best fits your needs.
- Low Costs & High Efficiency: VIivosun VS4000 LED grow light uses full-spectrum diodes & brand driver for high energy efficiency with 2.9 μmol/J; Extremely high output but consumes only 400W of electricity. It can cover 4x4ft. area (5x5ft. max)
- Convenient Dimmable Lights: This LED grow light has a dimming knob & ballast, so it adapts to different plant growth stages by adjusting its output from 25% to 100%
- Sunlike Full-Spectrum Light: These VS4000 LEDs deliver the optimal full-spectrum coverage and power needed by your plants at all growth stages, supporting efficient photosynthesis for plants
- Low Noise & Low Heat: VS4000 LED grow lights have a power supply and ventilation holes; No fans needed means low noise; Ambient heat around this light is very low, so there are no burns or damage to your plants
- Warranty: Super durable and reusable; Comes with a pair of Vivosun US-patented rope hangers & 5-year after-sales service
- Full Spectrum Plant Grow Light: Total 1656pcs bright LEDs with 3000K 5000K & 660nm. Efficacy is up to 2.7 Umol/J. Support 0-10V dimming, turning the knob can adjust the brightness. Fits for plant growing from seedling to blooming, over 95% light energy can be absorbed by plants, Increase yield and crop quality.
- Daisy-Chain Indoor Plant Light: Designed for both individual and commercial grade full-cycle horticulture lighting solution. You can connect up to 50 lights with daisy chain function and adjust the light intensity with the controller. Works well for grow tents, house garden, herb garden, hydroponic plant, pot culture, flower exhibition, greenhouse cultivation, pipeline cultivation and so on.
- Efficient Heat Dissipation and No Noise: The LED grow lights are made of lightweight aluminum bars, gas reflow design, space between the light bars. Which has efficient heat dissipation and cooling functions. It's powerful heat dissipation ability that no need to buy more cooling devices. No fan, so no noise.
- Easy Installation and Fold Design: 400W plant lamp comes with a new foldable design, making it plug-and-play right out of the box, this feature saves installation time for personal growers and reduces labor costs for commercial operations. Our plant lights ideal for the entire growth phase of plants. 4x4ft for personal grow, 3x3ft for commercial grow.
- Timely and Satisfactory Service: Every SAMPHON grow lamp has been strict tested before shipping. If there are any questions or concerns, please reach us via Amazon and we will provide you a satisfactory response or solution within 24 hours.
- 【High Efficiency With Superior Performance】Achieve remarkable growth while saving energy with our 400W LED grow light, featuring a high efficacy of 2.9 µmol/J—surpassing standard grow lights. Engineered with advanced LM281B diodes, it ensures consistent performance and durability. The plug-and-play design makes it user-friendly for both beginners and experienced growers.Perfect for 4x4ft vegetative coverage and 3x3ft bloom coverage
- 【Full Spectrum For All Growth Stages】Designed to support plants from seed to harvest, this full spectrum LED grow light closely mimics natural sunlight. With 1296 white and 48 red diodes, it promotes healthy vegetation, robust flowering, and improved fruit production. Ideal for a wide range of indoor plants, it’s suitable for hobbyists and commercial growers alike.
- 【Flexible 4-Level Dimming & 0-10v Dimming Function】Customize light intensity to match each growth phase with 25%, 50%, 75%, and 100% brightness settings. The built-in 0-10V dimming function allows seamless integration with external controllers, providing optimal light distribution while enhancing energy efficiency and plant photosynthesis.
- 【Silent Operation & Efficient Heat Dissipation】Featuring a built-in driver (eliminates wiring hassle) and fanless cooling system, this grow light operates silently—ideal for noise-sensitive spaces like bedrooms or home greenhouses. Its 4-bar aluminum structure and 5mm thick heat sinks enable superior passive cooling, effectively reducing heat buildup and extending the grow light’s service life.
- 【Long-Lasting Reliability & Warranty】With a lifespan of over 50,000 hours of stable PPE and PPFD, PPF output for high intensity 1160 umol/s,this energy-efficient grow light delivers exceptional value. Backed by 3 years of manufacturer-backed support and built with premium components, it offers peace of mind and a strong return on investment for your indoor gardening needs.
- High Efficiency, Low Energy Consumption: Utilizing cutting-edge LED technology, SZHLUX LED Grow Lights boast high energy efficiency with 2.9 Umol/J, delivering powerful light output and uniform canopy penetration for maximum yields. Consuming only 400W with 864 LEDs, they save up to 50% more energy compared to other quantum board LED grow lights. Achieve optimal results with an effective footprint of 4 x 4ft.
- Innovative Trapezoid and Double-Switch Design: Our unique Trapezoid-Shape and SanAn 1W LEDs offer a larger luminous area compared to traditional T5 and T8 LED plant lights. The double-switch design allows independent control of 3 or 6 lights, enabling effortless brightness adjustment. Bid farewell to inefficient plant growth caused by improper adjustments – take control with our user-friendly design.
- Sunlight Full Spectrum: Immerse your plants in the benefits of a sunlight full spectrum. With over 95% light energy absorption, our lights deliver a balanced spectrum including white, blue, red, and IR (3000K, 5000K, 660nm, and IR 730nm). The 3000K and 5000K lights promote seedling growth with their reddish and blueish tones, while the 660nm red and 730nm IR lights enhance photosynthesis for increased yield and crop quality.
- Noise-Free Operation: Enjoy a tranquil and efficient growing environment with our professional fanless design. By eliminating fans, we reduce noise and efficiently disperse heat through the aluminum shell and reflector. This minimizes light loss to aisles and walls, boosting light intensity by up to 20%. Ensure your plants receive ample energy without risking burns, allowing for maximum lighting headroom.
- Maximum Productivity, Minimum Energy: Designed for peak productivity and energy efficiency, SZHLUX LED Grow Lights feature high-yielding LEDs and dual switches for tailored control. Say goodbye to energy wastage and inefficient plant growth. Harness the power of high-efficiency LED technology for your indoor garden and elevate your growing experience.
- 2024 New Version-Lower purchase cost and higher quality yield: SZHLUX PT LED Grow Lights feature the latest, most cost-effective high-output LED technology available today - Diodes; the PT LED Grow Lights with a high energy efficiency of 2.7 umol/J, providing a powerful light output that consumes only 500w, and running 50% less power than HPS or Blurple lamps. The vegetable cover is 5 x 5 feet, and the flowering covering is 4 x 4 feet.
- Temperature Control and Timer Mode： Upgraded PT series with temperature sensor, temperature, and timer button. Automatically sets protection temperature to 85°F; 8 light bars illuminate when the temperature reaches 86°F; 6 light bars illuminate when the temperature reaches 91°F; but when the temperature reaches 96°F, the lights will turn off. It can effectively protect plants from being burned by heating, and the chandelier high can be adjusted appropriately to obtain a higher PPF.
- Suitable for All Growth Stages: Excellent Full Spectrum - White, Blue, Red, and IR (3000K, 5000K, 395nm UV, 660nm, and IR 760nm). 3000K diodes provide more reddish light and 5000K more blue. 395nm ultraviolet prevents the plants from growing too fast, the stems and leaves are thick, and the fruit tastes better. 660nm red and infrared is effective during flowering, it promotes plant growth and increases yield. Turn your seeds into your supply and the light looks quite natural,
- 2024 New Version Trapezoid Tube and Fanless Design：-Adopts high-quality aluminum material with a fanless design. The trapezoidal design makes the light-emitting and heat-dissipating area larger, effectively protecting the life of the lamp. without worrying about package damage.
- Integrated Circulation Fan: The centrally located fan optimizes airflow, reaching areas you might easily overlook; It enhances direct air entry into the canopy, balancing temperature and humidity; To unlock additional features, the fan must be used with the Vivosun Growhub Controller (E42A/E25), available for separate purchase
- Full-Spectrum Tunable Lighting: Featuring full-spectrum diodes, these LEDs deliver optimal light (390nm-730nm, 3000K, 5000K) and include 660nm deep red, 730nm far red, and 395nm UVA; This design maximizes PAR output, improving germination rates, promoting plant growth, extending blooming periods, and increasing yields
- Smart Control and Programming: Integrates seamlessly with the Vivosun GrowHub Controller and app; It allows you to automate and customize day/night schedules to simulate natural environments; The controller is not included and needs to be purchased separately
- Uniform Light and Air: The hollow light design allows the air to circulate more efficiently; Special air-guiding designs incorporate angles that direct wind uniformly across the plant canopy; Foldable design with two angle-adjustable wings offers versatile light distribution for enhanced flexibility
- Low Noise and Ultra-Durable: Industrial-grade fans with dual ball bearings and optimized air inlets ensure the AeroLight operates quietly; The unique aluminum alloy heatsink fins enhances heat dissipation, extending lifespan to over 50,000 hours
- LED Grow Lights for Indoor Plants: This 400w LED grow light features 2304 leds (256 red, 256 blue, 896 white, 896 yellow) to deliver high par output for maximum plant growth; The full spectrum grow light includes 460 nm blue light, 3000k to 5000k white light, and 660 nm red light, providing your plants with a natural sunlight-like spectrum; Lumen maintenance is 10000 and coverage area of 5x5 ft or 4x4 ft; Perfect for indoor plants, hydroponics, and grow tent setups; This light promotes photosynthesis in the plant, leading to healthy growth from seed to fruit
- Three Modes for Different Growth Stages: Tailor the light to your plants' needs with three distinct modes; Veg mode for healthy vegetative growth, Bloom mode for encouraging flowering or fruiting, and Veg & Bloom mode for both stages simultaneously; Can adjust the light intensity and the mode according to your plants' needs at each growth stage to maximize yields
- Energy-Efficient & Cost-Effective: This LED grow light consumes 400 watts while offering the same performance as traditional grow lamps; It saves electricity while delivering brighter, more efficient lighting; Ideal for 5x5 ft or 4x4 ft grow tents, it maximizes PPFD with a high output of 2350 umol/㎡/s at 6 inches, let your plants grow faster and more strongly; Save on electricity without compromising on performance
- Efficient Heat Dissipation: The aluminum heat sink and metal construction ensure excellent heat dissipation, keeping the temperature within optimal levels (50°f to 60°f); This cooling system prevents overheating, allowing the light to work efficiently without harming plants; Having the high-speed mute fans, the light remains quiet and stable, increasing its lifespan
- Wide Application & Professional Service: Whether you're a seasoned grower or a beginner, this light is perfect for you; 3 years professional service and return for 90 days; KingLED laboratory has more than seven years of sales with after-sale service team professional in design; If you have any questions, please contact us, and we will reply within 24 hours to provide you a satisfactory result
- Integrated Circulation Fan: The centrally located fan optimizes airflow, reaching areas you might easily overlook; It enhances direct air entry into the canopy, balancing temperature and humidity; To unlock additional features, the fan must be used with the Vivosun Growhub Controller (E42, E42A, or E25), available for separate purchase
- Full-Spectrum Sun-like Lighting: These LEDs deliver optimal full-spectrum light (390nm-730nm, 3000K, 5000K) and include 660nm deep red, 730nm far red, and 395nm UVA; This design maximizes PAR output, improving germination rates, promoting plant growth, extending blooming periods, and increasing yields
- Smart Control and Programming: Integrates seamlessly with the Vivosun GrowHub Controller and app; It allows you to automate and customize day/night schedules to simulate natural environments; The controller is not included and needs to be purchased separately
- Uniform Light and Air: The hollow light design allows air to circulate more efficiently; Special air-guiding designs incorporate angles that direct wind uniformly across the plant canopy; Foldable design with two angle-adjustable wings offers versatile light distribution for enhanced flexibility
- Low Noise and Ultra-Durable: Industrial-grade fans with dual ball bearings and optimized air inlets ensure the AeroLight operates quietly; The unique design enhances heat dissipation and extends lifespan to over 50,000 hours
- DAISY CHAIN ADDED & DIMMABLE GROW LIGHTS - Based on original K4000 plant grow light, AGLEX newest K4000 plant light adds daisy chain function, achieving to connect multi grow lights (max 100pcs ) and control them at the same time, it's very convenient for commercial growing. Stepless 0-100% dimmer knob available, it can help you freely adjust the brightness of the plant light, allowing flexibility to obtain perfect growth performance for each growing phase.
- LOWER COST & HIGH YIELDS - AGLEX K4000 led plant growing lights use the newest high-yield SMD LED technology - 1192Pcs diodes. Though the LED Growing Lights only consumes 400watt of power, achieving higher average PPFD with 2343 umol/㎡/s at 5x6ft core coverage. It is also an ideal LED grow light from seeds to harvest. It will be a perfect option if you¡¯d like to light a small space, add a little light to your current space, or use it for clones, seedlings, or mothers.
- OPTIMAL FULL SPECTRUM GROW LIGHT For INDOOR PLANTS - AGLEX 400w small grow light led consists of full spectrum White light 4000K, 660nm deep Red, 740nm IR light and 400nm UV light, infinitely close to natural sun light. It is an excellent full spectrum for vegetating and flowering indoor plants. Wide Input Voltage 100-277V, can meet most input voltage.
- AMAZING HEAT DISSIPATION & WORKING QUIET - LED light board style and aluminum material can help quickly heat dissipation, reduce the light lost in walkways and walls, increase the light intensity, ensure longer lifetime and lower energy bill. With no fan design, the led grow light full spectrum can provide a quiet working environment without interruption.
- VALUE FOR MONEY- The led grow light 400w is ideal for greenhouses, grow tents, stand rack, vertical farming, etc. If there are any questions or concerns, please feel free to message us. We will help you with great pleasure!
- Integrated Fan Light: The AeroLight Wing AW400SE grow light features a built-in circulation fan for enhanced canopy airflow, balancing temperature and humidity; It boasts a unique foldable-wing design for versatile light distribution; Superior heat dissipation extends its lifespan to over 50,000 hours
- Full-spectrum Sun-like Lighting: Featuring a dimmable driver, and full-spectrum lighting, this light is ideal for various plants at all growth stages; It delivers optimal full-spectrum light (390nm-730nm, 3000K, 5000K); This feature maximizes PAR output, improving germination rates, promoting plant growth, extending blooming periods, and increasing yields
- GrowHub Controller E25: Connect to the Vivosun Smart Grow System with the GrowHub Controller E25 to monitor and control the AeroLight via the Vivosun App; Compatible with various devices, it takes care of your plants from seed to harvest
- Smart App Control: Manage multiple devices simultaneously, track and display relevant data to improve performance, chart climate changes, and examine details; Use preprogrammed Grow Recipes designed by professional growers to program your equipment for maximized growth
- Automatic Operation: Automatically manage your grow space environment anytime, anywhere; The system adjusts intensity, airflow, and air circulation according to preset parameters, automatically responding to environmental changes
Last update on 2025-08-27 at 17:16 / Affiliate links / Images from Amazon Product Advertising API
Here Are Some Tips For Choosing 400W Led Grow Light
As a human being, this is quite impossible to know everything well. You can know about some more thing but you cann’t be a jack of all trades. In that scenario, reading a thorough buying guide can prevent us from making a costly mistake after buying a 400W Led Grow Light due to a lack of knowledge.
You do not have to be an expert on that specific product in order to purchase it. Just emphasize on few important things which we are going to discuss in the below. Taking these simple considerations into account may make your shopping experience more pleasant and straightforward. Let’s get started.
Identify what you wants
The first thing you need to discover that what your needs or requirement. If you aren’t aware of your demands, there’s a big chance you’ll buy the wrong things at the wrong time and waste a lot of money. So, first of all and probably most important, we suggest that you take time to consider your necessities for a 400W Led Grow Light. You can make a short list about your needs. This simple task will lead you to simplify your purchasing process. Then you will be able to know your prioroties which is the most important thing.
Budget vs. Cost
Budget is that one issue which you can’t ignore before you decide to purchase anything else. Any amount of price can be set for your desired product. Different expences like manufacturing, raw material purchasing, logistics and other operational costs and most importantly compny’s brand value as well are the key factors of pricing. The higher quality you demand, the higher amount of money you may have to spend for that. This is the reason, budget really matters for. And it is true as a universal truth for the 400W Led Grow Light too.
You may heard this popular sayings, “Cut your coat, according to your cloth”. So, find your desired products as per your wishlist first. Analyze the features and prices carefully.Compare them well and choose the best one. The biggest question may come to your mind at this point which is your pocket is ready to spent such amount of money to buy this 400W Led Grow Light or not. If yes, then go for it. If your pocket refuges to do so, then think about the second best option that you got.
Choose the Right Brand
Because of our emotional links, we are frequently predisposed towards certain companies. But not everytime this practice results get good. Besides all we agree that we have to rely on renoened brands. Because having enough cash in your pocket makes making decisions half as easy. But remember, not every brand is good for everything. As a result, you must tread cautiously when deciding whether or not you have picked the appropriate brand for your specific product.
People are divided into two groups. One is dependent on a particular brand, while the other is unconcerned. What he requires is the right product for the amount he is paying. As we don’t have any idea about your typo.But there are few tips which may come adjuvant for both of you at the time of choosing the right brand for the right product.
- Make certain you are familiar with the brand.
- What people are saying about this brand.
- Analysis the reviews of any specific products of that brand.
- Contrast the features with those of competitors.
- Are you satisfied with the features?
Check the features section
Whether you buy it online or offline, the first thing you should check is while buying is the features of 400W Led Grow Light. This little effort will assist you to get a clear picture about the product. It will make you understand, that product does match with your requirements or not.
The features part also helps us in analysis the differences between ourselves and others. Then, based on the features, you can compare it to similar products. One will have a better understanding of quality as a result of this work, making it easier to move forward with our final decision.
Benefits and Drawbacks must be considered.
Every item has its own set of advantages and pitfalls. It is our duties to carefully examine them out first before buying them. So, keep yourself cool and figure out the negatives you expected from that 400W Led Grow Light. Perhaps another manufacturer created the ideal one for you. Just don’t be too lazy to compare your options with theirs before making your final decision.
The section of Pros and Cons can be found on the majority of websites. That section should be read with caution. If you have any further questions, simply contact them via email or phone to seek their assistance.
Quality & Durability
Color, Style, Performance, Materials, and, most importantly, Durability are all components of quality. Before making a purchase, you must consider the facts about ensuring quality. When you make this your own, you will demand the quality first. Does this 400W Led Grow Light worthy or not against your investment? The answer of this question can be found by its quality.
Know About Warranty and Return Policies
Every producers produces products. Good quality products are being maintained by some of them. They make creative advertise also to attract buyers like you and me. Still, everything is okay. But one thing remains yet to think about and that is After Sales Service. For many, it’s really a big deal and it is quite able to make a big difference.
Warranty, gurantee and return policies are so vital that not checking them will be a great mistake. Antyhing can be occured even after buying the best quality product by spending a huge amount of money. Not a single thing will last forever in this universe. Still the expence you will do for the 400W Led Grow Light, don’t you think that you deserve a minimum return of value from that? So, be careful about checking policies. Sometimes, there may be some hidden issues which they won’t make you clear with words. At that time, simply ask their delegate about thier policies again and have patience until you get the whole thing unequivocally.
Checking FAQ & Customer Reviews make your task easy
Cheking customer reviews and FAQ answers can save your precous time greatly. FAQs are few common questions that were asked frequently by mass people like you and they have been answered as well. In the mean time, you can get a clear picture of the product according to the experience of the real users of it through the customer reviews.
So, checking out these two things, you will get the idea of both. You may find there such informations which might not come in your mind to ask if you didn’t go through. Then you will be able to decide strongly buying this 400W Led Grow Light will be worthy or not.
Finally
The final suggesion is you must consider about the value that the 400W Led Grow Light providing you is justified enough with the price you are being asked to pay for it. Do you think it is worthy to pay so? Does your demands be fullfilled with that? That’s the thing that should get the most importance we guess.
We hope this article will help you to recognize and buy the best 400W Led Grow Light in the market and so that you enjoyed it as well. If you think it’s a good guideline for you, then all of our efforts will get success. End of the day, we measure our happiness with your satisfaction.