What it does: Reverses polarity to a centre +ve, 2.1mm barrel plug. Buy as many as you need, one for each pedal. Just plugs on to your existing daisy chain cable.
Input Socket: 2.1mm Centre Negative Barrel Plug (Boss-style)
Output Plug Shape: 2.1mm Barrel Plug
Output Plug Polarity: Centre Positive
When used with Diago's range of adaptors, the Powerstation/Micropower9 becomes the basis of a flexible and versatile power supply system, allowing you to power a huge variety of weird and wonderful pedals.