Zoom · Multi-Effect

G2 FOUR

9V · ≥500 mA supply · maker

Zoom G2 FOUR power requirements

9V DC · centre negative · needs a supply of at least 500mA
digital · from the maker
“Power AC adapter 9V DC 500mA center negative (ZOOM AD-16) • USB bus power is supported.” source
Checked 2026-10-13

184 × 145 × 71 mm (7.24 × 5.71 × 2.80 in)

Width × depth × height, from the manufacturer.

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