MARS HYDRO FC4000 320W full spectrum LED grow light 2x4
Full-spectrum LED grow light with Samsung LM301H EVO diodes and smart control. Delivers high PPFD and efficient heat dissipation for indoor cultivation. Users note strong brightness and coverage, with some concerns about durability and dimmer reliability
Highlights
- Samsung LM301H EVO diodes
- PPFD up to 871 mol/m2/s
- wave-shaped heat sink for dissipation
Pros
- high-efficiency diodes
- smart remote control via app
- good coverage for 4x4 areas
- night-day light simulation features
- dimmable with ambient heat management
Cons
- dimmer switch reliability concerns
- lifespan questions from some users
Best For
Features
- Smart control via Mars Hydro app with sunrise/sunset simulation and OTA data transfer
- High efficiency using Samsung LM301H EVO diodes delivering 3.14 mol/J per diode and 2.85 mol/J PPE
- PPFD up to 871 mol/m2/s for strong flowering and yields
- Wave-shaped heat sink with 3.28 ft power cord allows driver placement outside tent to reduce fixture heat
- Full spectrum grow light with 650-665nm red and IR for indoor cultivation
