uBITX adjustable power supply?

 

Has anyone used this boost power supply to feed their finals?
https://www.amazon.com/gp/product/B06XWSV89D/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1

It would seem to be perfect for adjusting the voltage to the FETs.  I haven't tried it yet.  I wonder if you have to adjust the bias when doing something like this?

Cheers,
Jim W0CHL

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