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Description
Black Dog LED PhytoMAX-4 4S – 250W Full-Spectrum LED Grow Light, Compact High-Yield PerformanceBest LED Grow Light for Small Grow Tents and Indoor Gardens Take full control of your growing environment with this compact professional LED grow light. The PhytoMAX 4 4S delivers 531 mol s of optimized light output using just 250W, powered by the Phyto Genesis Spectrum, active cooling, and 010V dimming for maximum efficiency and plant performance. Built for 2x4 and 3x3 grow tents, this light produces dense flowers, flavorful harvests, and resilient
Best LED Grow Light for Small Grow Tents and Indoor Gardens
Take full control of your growing environment with this compact professional LED grow light. The PhytoMAX-4 4S delivers 531 μmol/s of optimized light output using just 250W, powered by the Phyto-Genesis Spectrum®, active cooling, and 0–10V dimming for maximum efficiency and plant performance. Built for 2x4 and 3x3 grow tents, this light produces dense flowers, flavorful harvests, and resilient plants — all in a durable, long-lasting design.
✅ Quick-Glance Benefits
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High Output Efficiency
531 μmol/s delivered with only 250W — ideal for compact growing areas.
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Phyto-Genesis Spectrum®
Carefully tuned 8-color LED spectrum for bushier plants, higher yields, and quality harvests.
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Built-In UV Light
Evenly distributes 3% UV for stronger plants, terpene boosts, and pathogen resistance.
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Flexible Voltage Options
Choose SP (100–250V) or SC (100–277V) with water-tight, locking connections.
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Fast, Free U.S. Shipping
Ships quickly from U.S. warehouses with tracking provided.
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Go BEYOND PAR with our Phyto-Genesis Spectrum®
The Phyto-Genesis Spectrum has been finely-tuned to not just grow plants, but to grow more-compact, more-productive and higher-quality flowers, fruit and leaves. Unlike most LED grow lights that use white or white and red LEDs, we incorporate 8 different LED colors to target specific responses from the plants, known as photomorphogenesis.
Our spectrum triggers plants' hormonal response to different colors of light and the ratio of these colors to minimize stem growth while maximizing flower and fruit production. Compact, bushier plants are not only easier to work with but also maximize yield per square foot.
What’s Included
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1x PhytoMAX-4 4S LED Grow Light
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1x Pair of V-hooks
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1x Ratcheting Rope Hanger Set
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1x Power Cord (NEMA 5-15, 6-15, 7-15, or pigtail depending on model)
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User Documentation
Use It For
✔️ Compact indoor gardens
✔️ High-terpene flower production
✔️ Dense, bushy plant growth
✔️ Supplemental spectrum lighting
🔍 Standout Features
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0–10V Dimmable
Adjust output from 15%–100% for full control at every growth stage.
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Active Cooling System
Patented fan system maximizes LED efficiency and extends lifespan to 70,000+ hours.
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Durable Build Quality
Designed and assembled in Colorado with premium components for reliability.
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Proven Results
Black Dog LED has been innovating since 2010, trusted worldwide for maximum yield per watt.
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SP versus SC Models
The only difference between the SP and SC models is the power cord and the voltage it can handle.
| SP model IEC power cord: | SC model locking, water-tight power cord: |
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Ready to upgrade your grow setup?
Order the Black Dog LED PhytoMAX-4 4S today and grow with the optimized Phyto-Genesis Spectrum® — delivering compact plants, higher-quality flowers, and reliable harvests.
Black Dog LED PhytoMAX-4 4S Specifications
| Photon Flux (μmol/s) | |||
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| PBAR 280-800nm |
UV 280-400nm |
PAR 400-700nm |
IR 700-800nm |
| 531 | 16 | 476 | 40 |
| Units |
Imperial Metric |
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| Dimming | 0-10V, 15-100% |
| Dimensions | 15" x 15" x 4.5" |
| Weight | 24lb |
| Power | 250 Watts |
| Certifications | UL 1598, UL 8800, ETL, CE, FCC, RoHS |
| Mean Time Before Failure | > 70,000 hours |
| Number of LEDs | 112 |
| Amp Draw | 2.5 @ 100V 2.08 @ 120V 1.2 @ 208V 1.09 @ 230V 1.04 @ 240V 0.9 @ 277V (SC model only) |
| Included Power Cord Length | 8 ft |
| Power Cord Options | NEMA 5-15, NEMA 6-15, NEMA 7-15 (SC model only), Pigtails |
| AC Voltage Range | SP Model: 100-250V (50 / 60 Hz) SC Model: 100-277V (50 / 60 Hz) SX Model (special order): 347V |
| Power Factor | 0.99 |
| Operation Ambient Temperature Range | -4 to 104 °F |
| BTU | 853 |
| Fans Expected Life | > 70,000 hours |
| Warranty | 5 Years |
Black Dog LED PhytoMAX-4 4S Warranty
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Manufacturer Warranty: 5 Years
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Covers defects in materials and workmanship
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Support handled directly through our team
FAQ
Q: Can I dim the PhytoMAX-4 4S?
A: Yes. It features 0–10V dimming control, allowing you to adjust light intensity from 15% to 100%.
Q: What comes in the box?
A: The PhytoMAX-4 4S grow light, a pair of V-hooks, ratcheting rope hangers, a power cord (model-specific), and user documentation.
Q: What’s the difference between the SP and SC models?
A: The SP model uses a standard IEC cord rated for 100–250V. The SC model supports 100–277V and includes a locking, water-tight cord connection.
Q: How long will the LEDs last?
A: The PhytoMAX-4 4S is designed for over 70,000 hours of use with redundant active cooling for reliability.
Q: What warranty is included?
A: Every PhytoMAX-4 4S comes with a 5-year manufacturer warranty covering defects in materials and workmanship.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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