Horticulture Lighting Group 320 Watt XW Quantum Board LED Kit V2 Rspec


NEW - Rspec V2 Spectrum, Enhanced Flowering & General Use!

  • 2 Ultra High Efficiency QB-288 V2 (Version 2) Quantum Boards.
  • Preinstalled dimmer knob (potentiometer) to easily adjust from 10% - 100%.
  • Equivalent to a 600 Watt HPS! 
  • Works perfect in a 3' x 3' for flowering.

This new kit uses a total of 576 Highest Bin Samsung LM301B LED's. The HLG DIY kits are the most efficient grow light kits on the market. Enjoy lower energy cost, less heat and more output, a 7% efficiency gain over the previous model, satisfaction guaranteed!

 - "All the parts needed to build your own high performance LED grow light is included in the kit. And if you want a kit preassembled, have us build and test it for you. Either way, you'll be ready to grow, even on a tight budget."

 Spectrum Info:

Rspec - Enhanced Flowering & General Use.

3000k - Flowering and General Use.
4000k - Vegetative Phase or as a Primary Veggie Light.

Custom configurations are available upon request, just contact us with your configuration.


  • Output Adjustable from 45-320 Watts with Dimmer Knob
  • Max Veg Footprint: 5’ x 5’
  • Max Flower Footprint: 3.5’ x 3.5’
  • Hanging Height: 18" - 30"
  • Recommended Hanging Height: 24"
  • Dimensions: 19.75" x 12.5" x 3"
  • 1 Year Warranty


  • 2 QB-288 V2's  with Samsung 301B (QB-288 V2) Highest Bin Diodes
  • 1 Slate 6 Double Predrilled Heatsink, 501mm x 320mm
  • Meanwell HLG-320H Type "B" LED Driver. Boards Should Be Wired in Series with the Driver for Maximum Output
  • 8FT Nema 5-15P 16/3 SJTW NA Power Cord or Equivalent for Standard 120VAC
  • 1 AC Cable Joiner - IP68 (Water Proof) for Power Cord to Driver's AC Connection
  • 3' Solid Core Wire
  • 2 Wago Connectors for DC Wiring
  • Hanger Clips
  • Dimmer Knob Preinstalled (potentiometer)


  • QB-288 V2 - Lamp Efficacy: 2.45 µmol/J, 170Lm/W 
  • QB -288 V2 - Board Level Efficacy: 2.60 µmol/J, 181Lm/W


No Thermal Interface Material is required between the LED board and the heat sink.

LED Driver color wires


Molex Lite Trap

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