A high-output LED grow light with customizable spectrum control, advanced optics, and commercial-grade performance, engineered for maximum crop quality and production efficiency.

The Grand Master Tarantula Explorer Ultra is designed for growers who want complete spectrum control without sacrificing output. Featuring a powerful 2-channel system capable of producing up to 12 unique spectrum combinations, this LED grow light allows cultivators to fine-tune light recipes for different cultivars, growth stages, and production goals. Whether you're running commercial flower rooms, vertical racks, low ceiling facilities, or premium grow tents, the Explorer Ultra delivers exceptional flexibility and performance.

At 1,440W with up to 3,744 PPF, the Explorer Ultra is one of the highest output fixtures in its class. The upgraded spectrum delivers enhanced 640nm deep red output for flowering performance and a triple-blue-peak design featuring 437nm and 485nm wavelengths that increase blue content to 50%. Combined with optical lenses for superior uniformity and easier cleaning, this fixture gives professional growers the tools to maximize crop quality while maintaining operational efficiency.

Boost Efficiency by Mounting the Driver Outside the Tent

Improve cooling and reduce clutter by placing the driver remotely using the Grand Master LEDs Driver Box Extension. Use one Driver Box Extension (two for dual-driver units) to streamline your setup.

Features

• 2-Channels and up to 12 Spectrums
• Designed for Commercial production, vertical racks, low ceilings, and grow tents
• LEDESTAR Diodes
• Features 730nm
• IP66 Waterproof
• Folding Design for fast and easy installation
• Manual Knob Dimming
• Recommended to be controlled with the Grand Master Controller
• May be compatible with other controllers via the RJ14 port (refer to the respective manufacturer’s manual for compatibility details)
• 5 Year Warranty

What's Included?

• Grand Master LEDs Tarantula Explorer Ultra Grow Light
• Accessories

Download Resources

• Product Manual