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What Veeence is referring to is that all of the outputs grounds are isolated from one another so there is no way for noise to travel between the grounds(pedals) that they are attached too. This is how all Voodoo Labs, Walrus Audio, etc power supplies are. If all of the outputs share the same ground, the noise from digital pedals will still be present in your rig. Most noise on pedal boards comes from clock noise on digital pedals, not the AC mains. Given all of the pedals in your pictures are analog, you won't notice any problems, but if you put in a Strymon, TC Electronic, Eventide, or Line 6 pedal, you will get clock noise unless the power outputs are fully isolated. Hope that helps clarify it.