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The A500X is a powerful 185W high intensity LED designed specifically for experienced SPS coral growers. This fixture integrates the latest Dense Matrix LED technology with the proprietary Kessil Logic, and delivers a concentrated light with well blended spectrum for optimum SPS coral growth, health, and coloration. The beam of this flagship A500X can be adjusted with optional 35 and 55 degree reflectors and allow SPS corals to thrive in a variety of environments.

Wide Coverage Deep Penetration

  • 110 Degree Lens Grow SPS at 2 feet deep
  • 55 Degree Lens Grow SPS at 3 feet deep
  • 35 Degree Lens Grow SPS at 4 feet deep

Technical Specifications


  • Dimensions - 3.7” x 5.2” / 9.4cm x 13.3cm (H x D)
  • Unit Weight - 1.72lb / 0.78kg
  • Spectrum - Tuna Blue + Red + Green + Purple (Violet + Indigo)
  • Coverage - 36"x36" for SPS Dominant Systems
  • Control Options - Manual Knobs, WiFi Dongle, Spectral Controller X
  • Mounting Options - A-Series Gooseneck, Mounting Arm, Hanging Ring
  • Power Adapter - 100-240V AC 50-60Hz (Input), 48V DC (Output)
  • Power Consumption - AC 185W Max

A500X Tuna Blue

$769.00 Regular Price
$659.00Sale Price
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