Get to Know the Black Dog PhytoMAX-4 2S LED Grow Light
Designed for small grow spaces that demand big results, the Black Dog LED PhytoMAX-4 2S is a 125W powerhouse with 266 µmol/s output, fine-tuned for maximum yield per watt. Unlike standard LED grow lights that rely on basic white and red LEDs, this full-spectrum fixture incorporates 8 wavelengths, including UV, violet, blue, red, and infrared, to enhance growth, resin production, and plant structure. Whether you're running a compact home grow or supplementing a larger setup, this high-efficiency grow light delivers deep canopy penetration and optimal light distribution.
Is the PhytoMAX-4 2S Energy-Efficient?
Absolutely. Operating at 2.1 µmol/J, this LED grow light outperforms most HID alternatives in efficiency. Its 0.99 power factor ensures minimal energy waste, while redundant cooling fans keep LEDs running at peak performance. Designed for 70,000+ hours of operation, the PhytoMAX-4 2S delivers commercial-grade results in a compact, ultra-efficient package.
Features
- Maximized yield per watt with enhanced terpene, pigment, and cannabinoid production for superior harvests.
- Dimmable from 15% to 100% using industry-standard 0-10V dimming controllers for customizable lighting.
- Active cooling system improves efficiency and extends LED lifespan with multiple redundant fans for reliability.
- Proven performance since 2010 from one of the longest-standing LED grow light manufacturers.
- Specialty UV and violet LEDs designed to optimize plant growth and longevity.
Spectrum
SP versus SC Models

What's Included?
- PhytoMAX-4 2S LED Light Fixture
- Pair of V-Hooks
- Ratcheting Rope Hangers