@SSgrower In a 3x3 grow tent. KS3000 is perfect for 3x3 grow tent, some customers also use KS3000 in 4x2 or 4x4 grow tent during Veg. Our company is planing to built perfect for 4x2 bar lights. Or you could try the XS2000, which is perfect for 4x2.
My growmie is still looking but, now I may get his 3x3 so maybe I could "test" for Viparspectra as I have a 4x4 from the company? also two 450w "reflector series" cobbs, Thanks in advance,SS