Walrus Audio · Compressor

Highpoint Analog Optical Compressor

9V · ≥500 mA supply · maker

Walrus Audio Highpoint Analog Optical Compressor power requirements

9V DC · centre negative · needs a supply of at least 500mA
from the maker
“Only use a 9V DC, Center Negative, 500mA power supply to power the pedal. … Power Requirements: 9 V DC, 500 mA, Center-Negative, 2.1 mm.” source
Checked 2026-10-13

92 × 121.6 × 56.7 mm (3.62 × 4.79 × 2.23 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.