MXR · Pitch / Octave

Bass Synth

9V · 330 mA · maker

MXR Bass Synth power requirements

9V DC · centre negative · draws 330mA · needs a supply of at least 330mA
digital · from the maker
“The MXR® Bass Synth requires a 9-volt (330 mA) center-negative power supply and can be powered by the Dunlop ECB003 9-volt adapter or the MXR® Iso-Brick™, the Iso-Brick™ Pro, and the Iso-Brick™ Mini Power Supplies. This pedal cannot be powered by a battery. … Current Draw 330 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.