D'Addario 9V Power Adaptor, F-Style Plug

Ensure consistent, battery-free performance with the D’Addario AC-DC 9V Adaptor. The adaptor converts AC wall power to 9-volt DC for powering most instrument pedals and other 9-volt battery devices. The tip-negative, sleeve-positive power supply can deliver 800mA to fuel even your most power-hungry devices.