PHOTOBIO MX2 680 Watt S4 Full Spectrum LED Grow LightBoost yields with a high efficiency, full spectrum LED delivering superior light penetration and precise control. The PHOTOBIO MX2 redefines high performance LED grow lighting, delivering 10% more photon output, 10% higher efficiency, and a 47% lighter frame compared to its predecessor. With an impressive 1,870 mol s PAR output at 2. 8 mol J efficiency, this fixture maximizes light penetration and uniformity for superior yields with lower operating