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Diago Green Adaptor For use with the Diago Powerstation power supply.

Use it to power Line 6 Stompbox Modelers (DL4, DM4, FM4 & MM4)
Reverses polarity to a centre +ve, 2.5mm barrel plug
Buy as many as you need, one for each pedal
Just plugs on to your existing Diago daisy chain cable