Mosky MP-01 3.5mm Converter For Pedals
3.5mm Converter For Guitar Pedals
Convert 5.5mmx2.1/2.5mm to 3.5mm(1/8″)
To power Electro-Harmonix, older DOD, and other pedals that require a positive tip 3.5mm (1/8″) plug.
Works with 9V 5.5mmx2.1/2.5mm negative center power supply, such as BOSS PSA Power supply.