NGA
Well-Known Member
Quantum boards are more efficient at the advised power levels, but you can run COBs at lower power levels too and achieve the same efficiency (say a Citizen 1212 @ 25W or a 1825 at 70W). It's really mostly marketing which efficacy they put on the product since in reality it's such a wide range.
Problem with quantum boards is that they need to be quite high above the canopy. Which means you lose a lot of light on the wall. Easily 20% more than you lose with COBs when you hang one COB per sqft.
I'd go with led strips though. Easier to use and even better light distribution than COBs.