1qb648 per plant

I have a small room enough space to put up two of those nice looking 4x4 to 5x5 bar lights like the growcraft x6. Problem is I would need to run it along the wall and be only able to access the plants from 1 side and reaching to the back row under a scrog net sucks. How Do you think would 1 QB648 per plant work. I veg medium sized plants about 2 to 2.5 feet wide each. I can get a QB648 with a heat sink and all the little wegos and wires for about $140 and about 35 bucks for a hlg 150 watt driver. Seems like this will give me flexibility with my space and I can get one of these at a time for about 180 bucks rather that laying out a grand plus all at once For the bar lights. Thoughts?
 
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