The SonoFarm 550W is a linear greenhouse-style LED toplight for high-canopy crops. It draws 550 W and is positioned as a 1,000 W HPS replacement, with recommended coverage of 4x5 ft for veg and 3x5 ft for flower. The fixture uses a patented unibody aluminum heat sink to improve thermal dissipation and minimize greenhouse shadowing. Multiple full-spectrum options and 0–10 V dimming enable controller integration, and the unit carries IP65 and ETL/cETL/CE/RoHS certifications. Published efficacy is 2.6–2.8 µmol/J and rated lifetime is 50,000 hours. Physical dimensions are 48 x 5.5 x 8 inches and listed weight is about 30 lb. It’s targeted for supplemental or primary lighting in greenhouses and high-bay grow rooms.
