MXR · Overdrive

GT-OD

9V · 3 mA · maker

MXR GT-OD power requirements

9V DC · polarity not stated · draws 3mA
also runs on a 9V battery · from the maker
“The MXR GT-OD is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick™ power supply. … Current Draw 2.2 mA … Power Supply 9 volts DC” source
Checked 2026-10-13

66 × 111 × 51 mm (2.60 × 4.37 × 2.01 in)

Width × depth × height, from the enclosure standard.

Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.