Allow your plants to thrive in the most optimal indoor growing environment with the Kingbrite 600W W55 Quantum Bar. It features a 600W quantum bar, Samsung and Cree LEDs, a Mean Well power supply, alumium heatsink, and a dimmer switch.

Available on back-order - price variation subject to ROE

Grow what you love all year round with the Kingbrite W55 600W Quantum Bar Grow Light. This product ensures that your seedlings and plants will receive all the necessary light they require to perform photosynthesis regardless of the season, converting the light they capture into sugars necessary for growth.

The Kingbrite W55 600W Quantum Bar Grow Light features a highly-efficient and adjustable light quantum LED board. These quantum bars consist of Samsung LM301H light quantum LEDs as well as various which gives me Cree XP-E2LEDs which collectively produce the light that is essential for plant photosynthesis, vegetation growth, and the flowering of plants indoors.

These LED lights are also energy-efficient, consuming less electricity and giving off less heat than other lights. This means they’re better suited to meet the needs of plants grown indoors, are better for the environment, and will help save you money in the long-term.

Its easily adjustable design allows you to slide each light along rails on either side of the light bar to find the desired position, whether it be a wider opened setup for a larger veg footprint or a smaller tightly arranged setup for more control over a specific area.

The Kingbrite W55 600W Quantum Bar Grow Light is optimised for growing a variety of plants indoors, ensuring leaves grow stronger or flowers become bright and beautiful. Whatever your requirements, this product provides the optimal indoor growing environment for your plants to thrive.


  • Adjustable position with easy operation
  • Efficient thermal design
  • More LEDs used, to make sure each LED works at suitable power and temp levels
  • Top quality Driver – Mean Well HLG Series
  • Full Spectrum for better results, LM301H 3500K+ 660nm+730nm+390nm
  • Beautiful Design in Structure.


  • Power: 600W
  • LED Type: Samsung LM301H + Cree XP-E2 660nm + Cree XP-E2 IR 730nm + LG UV 390nm
  • Voltage range: 48V
  • Input Voltage: 100-240V
  • LED Quantity: 1180pcs Samsung LM301H + 60pcs Cree XP-E2 660nm + 20pcs Cree XP-E2 IR 730nm + 20pcs LG
  • UV 390nm
  • Working Temperature: 20-80°C
  • Micromole per Joule: 2.8µmol/J
  • System Efficiency: 220 Lm/W
  • Flowering Footprint: 4″x4″ or 5″x5″
  • Heatsink Material: Aluminium
  • Heatsink Colour: Green
  • Heatsink Size: 110 x 5.5 x 1cm
  • Recommended Mounting Height: 20-32″
  • Colour Rendering Index (Ra>): 80
  • Correlated Colour Temperature: 3500K
  • Certification: CE & ROHS


  • Kingbrite 600W W55 Quantum Bar – White x1
  • Mean Well HLG-600H-48B power supply x1
  • Dimmer switch x1
  • Waterproof connector x1
  • Green Track x2
  • Cable ties x2
  • 3m extension cable x1
  • Plug cable x1
  • Hang wires, hanging bolts, slide and screws set x4

Please note: The KingBrite Quantum Bar comes with a 12 month warranty, while the Mean Well power supply comes with a 60 month warranty.



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