SKU: 2921164886

Mars Hydro FC 4000-EVO – 320W Samsung LM301H EVO, Full Spectrum Grow Light

$130.50 $145.00
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

Mars Hydro FC 4000-EVO – 320W Samsung LM301H EVO, Full Spectrum Grow LightDimmable LED Grow Light for 4x2 Indoor Gardens Take full control of your growing environment with this powerful LED grow light. Built for serious growers, it delivers professional grade results through high efficiency Samsung LM301H EVO diodes, dimmable power output, and a precise full spectrum design. Whether youre optimizing a 4x2 grow tent, rack shelf, or indoor hydro setup this model gives you consistent coverage without wasted energy. Quick

Dimmable LED Grow Light for 4x2 Indoor Gardens

Take full control of your growing environment with this powerful LED grow light. Built for serious growers, it delivers professional-grade results through high-efficiency Samsung LM301H EVO diodes, dimmable power output, and a precise full-spectrum design. Whether you’re optimizing a 4x2 grow tent, rack shelf, or indoor hydro setup — this model gives you consistent coverage without wasted energy.

✅ Quick-Glance Benefits

🔆
Samsung LM301H EVO Chips
Upgraded diodes for better light penetration and higher yields
⚙️
Dimmable Output
Adjust intensity across all grow stages with easy onboard control
🌱
Full Spectrum Coverage
Supports seedling, veg, and flowering with optimal PAR balance
📦
Fast, Free U.S. Shipping
Quick delivery from our U.S. warehouses, no hidden fees


What’s Included

1x Mars Hydro FC 4000-EVO 320W LED Grow Light
1x Hanging Kit
1x Power Cord
1x User Manual

Note: To unlock smart app features, purchase the Mars Hydro iConnect Smart Controller separately.

Use It For

✔️ 4x2 Grow Tents
✔️ Vertical Racks
✔️ Indoor Hydroponics
✔️ Soil-Based Gardens

🔍 Standout Features

💡
2.85 μmol/J System Efficiency
Delivers powerful photosynthetic output with low energy waste
📊
Optimized Light Uniformity
Even PPFD distribution across a 4x2 ft canopy for consistent growth
🔌
Plug-and-Play Setup
No assembly required — start growing right out of the box



Ready to upgrade your grow setup?

Order the Mars Hydro FC 4000-EVO today and take full control of your growing environment — with smarter dimming, full-spectrum output, and elite performance.

Mars Hydro FC 4000-EVO Specifications

More Information
WATTAGE 320W±5%@AC120-277V
Max Coverage 3'x5'
PPE 2.85μmol/j
PPF 912umol/S
Chip Brand Samsung lm301H EVO
Spectrum 650-665nm 2800-3000K 4800-5000K
Max Yield 3.5g/W
Voltage AC120-277V
Amps 2.715A@AC120V 1.343A@AC240V 1.169A@AC277V
BTU 1023
Certificate ETL,CE,UKCA,RoHS
Lifespan 50000H
WARRANTY 5 years
Dimension 44*14*2.5 inch
Product Countdown End Jun 23, 2025, 12:00:00 AM

Mars Hydro FC 4000-EVO User Manual

Mars Hydro FC 4000-EVO Warranty

Manufacturer Warranty: 5 Years
Covers defects in materials and workmanship
Support handled directly through Mars Hydro or our team

FAQ

Q: Will this light work in a 4x2 grow tent?
A: Yes — it's optimized specifically for 4x2 canopy coverage with uniform PPFD.

Q: Can I control this light with an app?
A: Yes, but you’ll need to purchase the Mars Hydro iConnect Smart Controller separately.

Q: What’s in the box?
A: The grow light, power cord, hanging kit, and user manual.

Q: Is this light good for full-cycle growing?
A: Absolutely — it’s full spectrum and dimmable, ideal for seedling to flower.

Q: What’s the warranty coverage?
A: A 5-year manufacturer warranty is included.

Q: How many diodes are in the light?
A: The FC 4000-EVO features 765 high-efficiency Samsung LM301H EVO diodes.

Q: How many grams per watt can it produce?
A: Under ideal conditions, this light can achieve up to 3.5 grams per watt — making it one of the best options for maximizing yield in a 4x2 grow tent.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2921164886

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4.8 ★★★★★
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Verified Purchase
J. saroukhan
Lake Worth, US
★★★★★ 5
Well made , gym quality
Style: 10 Pound, Pair
Color is nice and bright . The weights grips are good they do not slip . Prices reflect quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
K
Verified Purchase
Kim Wood
Fort Morgan, US
★★★★★ 5
Good purchase
Style: 3 Pound, Pair
These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
K
Verified Purchase
Ky Mogg
Louisville, US
★★★★★ 5
Solid, grippy, and they don’t roll away!
Style: 10 Pound, Pair
I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for. The Pros: • That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic. • The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work. • Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done. • No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box. The Cons: • Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around. • Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily. The Verdict: If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
M
Verified Purchase
Matt
Waukegan, US
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
C
Verified Purchase
ChaCha
Alexandria, US
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well. The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have. I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth. Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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