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Once again, 120v cob...thanks for your exaggeration, I don't think you can find any one cob that can be drived with 120v AC voltage, please do not make any joke like this, it's not funny at all, there are only two optional voltage for cree 3590 cob, 36v and 72v, that's all, you can also confirm...

Thanks for your feedback, the 299usd is for the shipping cost of our MEGA B4 650W. and all the item listed on our website is free shipping worldwide :)

Thanks for your good question, and yes, strictly speaking, our 150w mege is one led grow bar, its footprint is around 4'x2', we say it can replace 400w HPS, that means it has the same ppf performance of one 400w hps bar light, but actually it's hard to find 400w hps light bar on market, so it's...

Yeap, if we can make the temperature of the fixture around 55 °C, it's totally ok to run a cxb 3590 with 2.8A or 3.2A at 36v, that's 100w or 115w. I attached the chart for your reference. Normally the 100% rated power draw of cxb 3590 is 2.1A at 36V, that's around 75W, that's the most efficient...

Yeap you're 50% right, great companies may not push their products constantly on RIU, but they do on maximum yields and MJBizCon, it's up to their budget for marketing :)

Yeap, we use two fans to cool 320w cxb 3590, and actually it's a little waste to run cxb 3590 below 75w, if the heat sink is not a problem, then 100w for each cxb 3590 is totally ok :)

we use ul listed dirver for 600w grow lights, also 5 years warranty for driver :)

we use MeanWell HLG 320H Driver, I guess we can't find any more efficient driver than MeanWell :)

Hi all the item listed on our website is FREE SHIPPING WORLDWIDE, and yes, it's USD dollars, so of course it's free shipping to Canada :)

Nope we're not, we're HortiBloom LED, sub-company of Geyapex Technology :)

there is no housing for the driver? just exposed in the light? there should be a spec label on the housing of the driver, then we can know the driving current and voltage info...

Hello everyone, We're HortiBloom LED who is sub-company of Geyapex Technology Very glad to advise you we're having big sale for the whole line of our LUMA B4 and LUMA P4 cob led grow lights We have cree cxb/cxa 3590/3070 and citizen 1812 for people to choose We can order any Bin of the cob...

Do you have the photo of the driver? that will help a lot