260W XL QB V2 Rspec LED Kit

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260W LED V2 Rspec® Board XL LED Kit

260 Watt Lamp Kit. High Efficiency QB288 V2 Rspec® Quantum Boards® powered with Samsung LM301H. Suited for main light and supplement lighting. 3 ft. long heatsink for a wider spread. New updated Inventronics driver allows full range dimming with included potentiometer.

Length: 891mm, Width: 205mm

Dimmable 30-250 Watts
Veg Footprint 4' x 4'
Recommended Flower Footprint 2' x 4'



  • 2x QB288 V2 Rspec® Quantum Boards®
  • 1x Slate 2 Triple Predrilled 891mm Heatsink
  • Inventronics EUM-240 LED Driver. Boards should be wired in series with the driver for maximum output
  • 6FT Nema 5-15P 16/3 SJTW NA Power Cord or equivalent for standard 120VAC with cable connector
  • 2' solid core Wire, 2x Wago Connectors for DC wiring
  • Hanger Clips


    Lamp Efficacy with QB 288 V2 Rspec® Quantum Boards®:  2.6 µmol/J
    Board Level Efficacy with QB 288 V2 Rspec® Quantum Boards®: 2.73 µmol/J

    Datasheet of Samsung LM301H used in QB 288 V2 Rspec® Quantum Board®


    LED Gardener Review

    No Thermal Interface Material is required between the LED board and the heatsink

    Remove black plug on driver and use Philips head screw driver for dimming

    NOTE: Boards should be wired in series with the driver for maximum output

    LED Driver color wires


    Molex Lite Trap




    Customer Reviews

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    Collections: ALL, QB Kits

    Category: DIY, LED Kit, QB

    Type: DIY Kits

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