Voodoo Lab

I just posed this question to Voodoo, "How can I power the Harmony Singer 2 using my Voodoo Labs Pedal Power 2 Plus?" This is how they responded,

"The Voodoo does not have compatible mA matches.

https://mediadl.musictribe.com/media/PL ... QSG_WW.pdf
See page 2.
This is what is required
– Connect a 9V / >300 mA power supply,

Any power supply 300ma or above

At your service,

Seth Wolther"

Any other thoughts on this? Also, if I am already using all 8 power ports in normal pedal operation to power 8 of your typical 9v pedals (MXR Phase 90 Script, MXR Carbon Copy Mini Delay, Wampler Ego Mini compressor, Ibanez Tube Screamer Mini, etc.), and I then plug a 9v/500mA adapter into the AC outlet of the Pedal Power 2 Plus to power the Harmony Singer 2, what kind of effect might this have on the performance of the whole board? Thanks!!