High-output 250 W LED delivers 531 µmol/s full‑spectrum across 8 wavelengths for compact indoor grows.
The Black Dog LED PhytoMAX-4 4S Grow Light delivers cutting-edge Phyto-Genesis Spectrum technology for growers who demand maximum yield, potency, and efficiency. Unlike standard LED grow lights that rely on basic white and red diodes, this precision-engineered fixture incorporates 8 wavelengths, including UV, violet, blue, red, and infrared, to optimize photosynthesis, terpene production, and plant structure. Whether you're a small-scale grower or managing a commercial setup, this compact yet powerful light ensures dense, high-quality flower production with industry-leading efficiency.
Is the PhytoMAX-4 4S Energy-Efficient?
Absolutely. By delivering targeted, high-efficiency wavelengths while eliminating excess heat and energy waste, the PhytoMAX-4 4S significantly outperforms traditional HID and LED alternatives. With a long-lasting LED lifespan of 70,000+ hours, redundant cooling fans for fail-safe operation, and Colorado-assembled quality, this grow light is the ultimate tool for growers serious about pushing their plants to the next level.
Features
- Optimized for high yield per watt while enhancing terpene, pigment, and cannabinoid production.
- Dimmable from 15% to 100% using industry-standard 0-10V dimming controllers for precise lighting control.
- Advanced active cooling system boosts efficiency and extends LED lifespan, featuring multiple redundant fans for reliability.
- Proven expertise since 2010 as one of the longest-standing LED grow light manufacturers.
- Specialty UV and violet LEDs designed for enhanced plant growth and consistent long-term performance.
Spectrum
SP vs. SC Models

Custom Light Plans for Commercial Facilities
We offer commercial volume discounts and have the expertise to recommend the right lighting for your needs. Schedule a large-project consultation with us!
What's Included?
- PhytoMAX-4 4S LED Light Fixture
- Pair of V-Hooks
- Ratcheting Rope Hangers