PedalCurrent drawVoltage info
Module 485 mA9vDC recommended. Up to 18vDC allowed, but higher voltages will not change the tone or headroom.
The Engine83 mA9vDC recommended. Up to 18vDC allowed, but higher voltages will only affect side A.
Unit6787 mA9vDC recommended. Up to 18vDC allowed, but higher voltages will not change the tone or headroom.
Vibe Machine v2, v3165 mA9-16vDC input voltage – higher voltages will not change the tone or headroom. So 9vDC for this one too, thus 🙂

Donner
Dunlop