We don't pretend that the Diago Powerstation is the only effects pedal power supply available, however we do believe that it's the best solution for most applications. There are a few occasions where another company's pedal power supply would suit you better, or in some cases there may be no perfect solution and you may need to use more than one power supply. Below is a run down of some of the more widely known alternatives, along with a fair representation of their relative advantages and disadvantages in comparison to the Powerstation. Please let us know if you have any thoughts or additions