ThinkGrow M-One 4' LED bar w/ White & DR Dual Channels

A Two-Channel Bar Built Around Deep Red

The ThinkGrow DR-1 is a 4-foot LED bar for the modular Model One lighting system, built with SAMSUNG white-based full-spectrum diodes designed specifically for crop cultivation.

Its two spectrum channels — full spectrum and deep red — can be adjusted using an onboard dimming knob or a connected TrolMaster controller, letting growers select spectrum recipes suited to different crops and growth stages.

Key Features & Benefits

• SAMSUNG White-Based Diodes — Full-spectrum output built for crop cultivation.
• 2 Spectrum Channels — Full spectrum and deep red, independently adjustable.
• Onboard Dimming Knob — Adjust output without an external controller.
• TrolMaster Compatible — Select spectrum recipes remotely when connected to a controller.
• Modular Plug-and-Play Design — Pairs with a ThinkGrow TLD-2 driver.

Who Should Use the DR-1

The DR-1 suits growers who want a simpler two-channel setup that emphasizes deep red supplementation alongside full spectrum light.

Pairing With a Driver

The DR-1 requires a separate ThinkGrow TLD-2 driver to power and control its two channels; the driver and power cord are sold separately.

Frequently Asked Questions

What two channels does the DR-1 provide?

Full spectrum and deep red, each independently adjustable.

Do I need a separate driver?

Yes, the DR-1 pairs with a ThinkGrow TLD-2 driver, sold separately.

Can I dim it without a controller?

Yes, an onboard dimming knob allows manual adjustment.

What LED bars work with the same driver as the DR-1?

The TLD-2 driver also works with the FR-1 and UV-1 LED bars from ThinkGrow.