Skip to content
Free Shipping on most orders over $175 | Sales Tax in NJ only
Free Shipping on most orders over $175 | Sales Tax in NJ only

Mars Hydro FC 4000-EVO 320W Dimmable Full Spectrum LED Grow Light

Original price $289.99 - Original price $289.99
Original price $289.99
$289.99
$289.99 - $289.99
Current price $289.99

🌿 Free shipping on $175+ orders in the USA

🌿 Canada, AK & HI: Add'l shipping charges

🌿 Price match guarantee, details here

Energy Rebates & Bulk Pricing Available

SAVE BIG on your grow setup! Email or call us at (973) 206-7590. For rebates eligibility, click here.

Cash Payment Discounts & Financing Options

Get an additional 3% off when you pay by ACH, Money, or Zelle. Select your option at check out.

We accept all major credit cards, crypto and Paypal 0% credit plans. More details here.

Full Manufacturer’s Warranty

You buy it, we back it! Your purchase is fully covered with a manufacturer’s warranty. More details here.

Mars Hydro FC 4000-EVO LED Grow Light with Samsung LM301H EVO chips delivers 912 PPFD at 2.85 µmol/J for efficient 4x2 flower performance and smart grow scalability

320W LED grow light with Samsung LM301H EVO chips, 2.85 µmol/J PPE, and 4x2 ft coverage for full-cycle indoor cultivation.

Small footprint, big results—the Mars Hydro FC 4000-EVO punches above its weight with 2.85 µmol/J PPE and Samsung LM301H EVO chips, delivering 912 µmol/m²/s of evenly spread PPFD. Built for serious 4x2 ft flower setups, this 320W full-spectrum LED is dimmable, efficient, and packed with premium features for full-cycle cultivation.

If you’re a grower who wants high-end results without the heat or power bill spike, this light’s for you. Expect uniform canopy growth, rich terpene expression, and no hot spots—just clean, even output from a smart-ready fixture that’s perfect for tents, racks, or vertical farms. Ideal for anyone from hobbyists scaling up to pros dialing in precision environments.

Is the Mars Hydro FC 4000-EVO Energy-Efficient?

Yes—at 2.85 µmol/J, this fixture easily outpaces traditional HPS setups (1.3–2.1 µmol/J). You’ll get more usable light, tighter internodes, and bigger yields using less power. It's a perfect upgrade for growers looking to boost efficiency without compromising on spectrum or output.

Features

  • Powered by Samsung LM301H EVO Diodes delivers unmatched diode efficiency at 3.14 μmol/J, offering a plant-optimized spectrum that enhances photosynthesis, nutrient absorption, and bioactive compound production.
  • High PPE for Energy Savings features an overall photosynthetic photon efficacy (PPE) of 2.85 μmol/J, making it a top-tier solution for serious indoor growers who want high performance with lower power consumption.
  • Exceptional PPFD Output provides up to 912 μmol/m²/s—ideal for dense canopy development and increased yields in 4' x 2' cultivation areas.
  • Full Spectrum Grow Lighting includes a fine-tuned balance of red and blue wavelengths, with blue light encouraging vigorous veg growth and red accelerating flowering and bud development.
  • Smart Grow Compatibility allows full remote control via the Mars Hydro APP (with iConnect Controller)—schedule lighting cycles, simulate Sunrise & Sunset, and access OTA updates for seamless operation.
  • Auto-Dimming Precision Control enables growers to adjust light intensity based on detailed calendar settings for year, month, day, hour, and minute—perfect for automated photoperiod management.
  • Efficient Passive Cooling uses a wave-shaped aluminum heat sink and open bar spacing to passively dissipate heat and eliminate hotspots, extending fixture lifespan and maintaining optimal performance.
  • Compact Professional Design optimized for both home and vertical farming environments, offering durable construction and precise light delivery for flowering and full-cycle indoor grows.

Highest Efficiency Samsung LM301H EVO Chip in the Market

The Samsung LM301H EVO stands out as the optimal horticultural lighting diode and the most efficient chip available on the market, boasting an impressive efficacy of 3.14 μmol/j per individual diode. The LM301H EVO emits a unique plant-centric spectrum that supports both physical and nutrient growth. As a result of its superior per-diode efficacy, the FC 4000-EVO is a highly efficient and effective solution for stimulating photosynthesis, producing bioactive compounds, enhancing plant quality, and saving energy.

Professional Samsung LED Grow Light

The Mars Hydro FC 4000 is an innovative LED grow light that leverages the latest Samsung LM301H EVO diodes to achieve exceptional results. With a consumption of 320W and a remarkable photosynthetic photon efficacy (PPE) of 2.85 μmol/j across the entire unit, the FC 4000-EVO represents an ideal lighting solution for indoor plants, offering a reliable and consistent source of energy that is well-suited for both personal growers and commercial cultivation facilities (especially vertical farming).

High PPFD and Even Light Distribution

The smart FC 4000-EVO provides an impressive PPFD of up to 912 μmol/m²/s, making it an excellent choice for commercial cultivation and enhancing flowering to produce higher quality crops and greater yields. The LED chips on each light bar are arranged in a scientifically optimized pattern, resulting in even light distribution that promotes uniform plant growth while avoiding hotspots in the center.

Full Spectrum Light Rich in Red and Blue

This unique spectrum blend of the FC 4000-EVO contains a precise combination of blue and red light to promote optimal plant growth. The Blue light stimulates vegetative growth and supports the accumulation of essential phytochemicals, while the abundant Red light accelerates the maturation process and improves the overall quality of buds and flowers produced by the plants.

Smart FC4000 LED Grow Light In Smart Grow System

【Need to buy Mars Hydro iConnect Smart Controller to enable smart function】By connecting to the Mars Hydro APP, the smart FC4000 grow light enables convenient mobile access to your smartphone or tablet, allowing for remote control and data transfer. With this feature, it’s easy to manage and schedule the smart FC4000 from anywhere, with just a few taps on the device. All the settings and data are securely stored and transferred using OTA (Over The Air) technology, ensuring hassle-free and efficient data transfer between the devices, advantageous for busy growers who cannot devote much time to tending to their indoor plants and for commercial growers who are operating hundreds of lights simultaneously.

Auto-Dimming and Precise Configuration Capability

【Need to buy Mars Hydro iConnect Smart Controller to enable smart function】The FC4000 grow light offers an auto-dimming feature that can be fine-tuned to the year, month, day, hour, and minute, guaranteeing that the light intensity is customized to align with your grow schedules. This level of precision provides the Sunrise & Sunset Simulation feature that replicates the natural photoperiod of plants, offering a professional-level option for personal growth.

Fast Heat Dissipation

The wave-shaped heat sink allows for quick heat dissipation, preventing any disruptions to the light's operation. The multi-bar style design incorporates reserved space between the light bars for cooling, effectively mitigating any potential hot spot issues.

What's Included?

  • Dimmer Box (Manual control unit for light intensity)
  • Dimming Cable (Connects dimmer to light fixture)
  • Hanging Kit (Steel cable set for secure mounting)
  • Suspension Kit (Rope ratchet system for height adjustment)
  • Stainless Steel Hook 
  • Driver Support Brackets (Green brackets for mounting drivers – includes 2 styles)

Download Resources

PPFD

SPECTRUM

Specifications

Wattage: 320W ±5% @ AC120–277V

Max Coverage: 3' × 5'

PPE: 2.85 µmol/J

PPF: 912 µmol/s

Chip Brand: Samsung lm301H EVO

Spectrum: 650–665nm, 2800–3000K, 4800–5000K

Max Yield: 3.5 g/W

Voltage: AC120–277V

Amps: 2.715A @ AC120V, 1.343A @ AC240V, 1.169A @ AC277V

BTU: 1023

Certificate: ETL, CE, UKCA, RoHS

Lifespan: 50,000 hours

Warranty: 5 years

Dimensions: 44 × 14 × 2.5 inches

Who Should Use This Grow Light

  • Intermediate to pro growers seeking high output in 4x2 ft tents
  • Home cultivators focused on top-shelf flower and terpene production
  • Energy-conscious growers replacing HID with high-efficiency EVO diodes
  • Precision farmers needing dimmable, spectrum-balanced full-cycle lights
  • Tech-forward hobbyists wanting optional app control and light scheduling

Best Applications

  • 4x2 flowering setups with strong PPFD and low heat signature
  • Full-cycle grows with optimized blue and red spectrum output
  • Vertical farms or micro-grows using efficient light-bar layouts
  • Smart tent builds integrating Mars Hydro APP and dimming controls
  • Controlled environment rooms aiming for uniform canopy growth

Why Shop with Grow Light Central?

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

Grow Light Central is a grow equipment solution provider connecting you to 100+ brands and 60+ suppliers trusted and used in the best grow facilities across the country.

Anthony, the owner and operator, personally ensures every order is handled right. No passing you off, no runaround, just the expert service and advice you deserve.

FAQs

How many watts do I need for my grow space?

The wattage depends on the size of your grow tent or room. A general guideline is 30-50 watts per square foot for high-light plants like cannabis. For example, a 2x2 ft area may need 100-200W, while a 4x4 ft area may require 400-600W for optimal coverage.

What is the difference between full-spectrum and red/blue LED grow lights?

Full-spectrum LED lights mimic natural sunlight, providing a balanced mix of blue (for vegetative growth) and red (for flowering and fruiting) light. Red/blue LED lights focus on specific wavelengths but may not support plants as effectively as full-spectrum lights.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)