Empress Effects · Compressor

Compressor MKII

9V · 100 mA · maker

Empress Effects Compressor MKII power requirements

9V DC · centre negative · draws 100mA
from the maker
“Power Input Voltage: 9V DC (Negative tip) … Input Power: 2.1mm barrel (Centre Negative) … Power Consumption: ~100mA” source
Checked 2026-10-13

66.04 × 121.92 × 63.5 mm (2.60 × 4.80 × 2.50 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.