Grand Master LED Controller | 4-Channel Lighting Controller | Tarantula Borg Preset Spectrum Control | RJ45 Port (Up to 100 Lights)

Grand Master LED Controller | 4-Channel Lighting Controller | Tarantula Borg Preset Spectrum Control | RJ45 Port (Up to 100 Lights) | Temp/Humidity Probe | 3 Year Warranty

The Grand Master LED (GML) Controller is built for advanced spectrum control — and is designed like no other. It’s the only controller capable of controlling 4 channels, making it the essential hub for growers running multi-channel spectrum fixtures and demanding room-scale control.

Most importantly, this controller is required to access the preset spectrums for the Tarantula Borg, including its 60 pre-sets and customisable spectrum programming. If you’re running a Borg and want to unlock its full potential, the GML Controller is the key.

For environmental awareness, it includes a 10ft remote temperature/humidity probe, and offers a dedicated RJ45 port designed to control the Tarantula Borg with support for up to 100 lights.

Need to scale further? With the optional GMC Adapter, you can expand control across multiple rooms:

• Control 4 rooms of up to 100 lights (single channel), or
• Control 2 rooms of up to 200 lights (dual channel)

Built for serious operations and backed by a 3-year warranty, the GML Controller is the core control solution for growers wanting repeatable spectrum recipes and room-level consistency.

Key Features

• 4-channel control (unique capability)
• Required to run Tarantula Borg preset spectrums
• Supports 60 pre-sets + customisable spectrums (Borg control)
• 10ft remote temperature/humidity probe included
• RJ45 port for controlling Tarantula Borg (up to 100 lights)
• Expandable with GMC Adapter:
  • 4 × 100-light rooms single channel, or
  • 2 × 200-light rooms dual channel
• 3-year warranty