The Spectrum King LED SK603 is the perfect solution for indoor growers looking for the brightest, most powerful LED grow light on the market today. 

Spectrum King’s SK603 is a 656W full spectrum LED grow light designed to be used in indoor gardens, greenhouses, and grow operations. The SK603’s patented light spectrum (US patent No. 10238043) delivers everything your plants need to thrive and produce potent, generous yields. Made in the USA, the SK603 LED grow light is a great choice when upgrading from 1000W Dual Ended MH/HPS lamps, and is nationwide compliant.

Dual warranty of 3 years for 90% or better of original light output and 5 years on parts and labor.

*No other company guarantees the light output degradation


SK603 Highlights

  • Great for supplemental greenhouse lighting
  • Remote Power System Compatible (480VAC)
  • Additional heat pipes for better thermal management
  • Water resistant housing safe for wet and humid environments
  • Safe for outdoor use
  • Improved heatsink with smaller vertical profile
  • Cool up to 5.5 SK603’s with just 1 ton of AC!
  • Brightest LED lighting fixture in the market today
  • Input Voltage – 110-240VAC (480 VAC Available Upon Special Order)
  • Frequency Range – 50~60Hz
  • Power Consumption – 656W
  • Amperage Draw - @ 120V – 5.46 A @240V – 2.73 A

Coverage Footprint

  • Flower: Up to 5’ x 5’
  • Veg: Up to 8’ x 8’

Suitable Distance Over Canopy

  • Flower: 30” - 42 ”
  • Veg: 48” - 60“

    SK603 Product Details

    • Recommended Cooling BTUs – 2,239
    • Ideal Replacement – 1000W Double Ended MH/HPS Lamps
    • Lumens - 99,045.5
    • Lifespan - >50,000 Hrs
    • Light Beam Angle – 120 Degree available
    • PPF - 1,430.5
    • BPF - 1,535.4
    • Umol/J - 2.2

    SK603 Body

    • Body Case Material– Die Cast Aluminum
    • Product Size - 22"L x 11"W x 5.5"H
    • Product Weight - 24 lbs (11kg)

    Spectrum

    The white light spectrum can be used for both flower and vegetative growth.


    Dual Warranty

    Dual warranty of 3 years for 90% or better of original light output and 5 years on parts and labor.


    Certifications

    • IP65 rated