Diago Blue Adaptor PS04
– Used to power some Electro Harmonix, ProCo (RAT etc.), older DOD, older Jacques, etc.
– Reverses polarity to a positive tip, 3.5mm (1/8″) mini jack plug.
– Buy as many as you need, one for each pedal.
This item is designed for use in conjunction with the Diago Powerstation power supply.