The HLG 550 V2 Rspec by Horticulture Lighting Group is a high-performance LED grow light engineered to replace 1000W single-ended HPS fixtures, delivering superior efficiency and light output for indoor horticulture. This model utilizes four custom-designed Quantum Boards® equipped with Samsung LM301H diodes and additional deep red 660nm LEDs, providing a full-spectrum light ideal for both vegetative and flowering stages. Operating within a power range of 240 to 480 watts, the HLG 550 V2 Rspec offers a system efficacy of 2.6 µmol/J and a total output of 1257 µmol/s PPF. Its passive-cooled design ensures silent operation and efficient heat dissipation, making it suitable for various indoor growing environments. But if you’re thinking about another more powerful or a different lighting system, then check out the HLG 650R or even the HLG Scorpion Diablo V2.
