Maxsisun
Maxsisun PB4000 Pro — 400W
Overview
Budget-tier Samsung-chip quantum board delivering 1,080 µmol/s at 2.7 µmol/J efficacy. The PB4000 Pro uses 1,400 Samsung diodes with a Meanwell driver and dimmable 0-10V control. One of the best value-per-dollar options for 4×4 ft grow tents.
Technical Specifications
| Light Type | Quantum Board |
|---|---|
| Wattage | 400 W |
| PPF Output | 1080 µmol/s |
| Efficacy | 2.7 µmol/J |
| Diode Brand | Samsung LM301B |
| Coverage (Veg) | 4x4 ft |
| Coverage (Flower) | 3x3 ft |
| Spectrum | Full Spectrum |
| Dimmable | Yes (0-10V knob) |
| Warranty | 3 years |
| Certifications | CE, RoHS |
Request Information from Maxsisun
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Frequently Asked Questions
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The Maxsisun PB4000 Pro — 400W delivers 1080 µmol/s total photosynthetic photon flux (PPF).
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The Maxsisun PB4000 Pro — 400W has a photon efficacy of 2.7 µmol/J, meaning it produces 2.7 micromoles of PAR light per joule of electricity consumed.
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The Maxsisun PB4000 Pro — 400W is rated for 3x3 ft during flowering and 4x4 ft during vegetation.
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Yes. The Maxsisun PB4000 Pro — 400W supports dimming via 0-10V knob, allowing growers to adjust output for different growth stages or to save energy.
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Maxsisun provides a 3-year warranty on the Maxsisun PB4000 Pro — 400W.
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The Maxsisun PB4000 Pro — 400W is a Quantum Board grow light manufactured by Maxsisun. It uses Samsung LM301B diodes.