Have a look at the production edition, our SQWZR Af.
Based on the old Ross compressor, our two Lab #40 edition are some badass dirty old comp paired with a clean volume boost.
Lab #40A is a "stock" edition, with only the Sustain and Level control of the Ross, and a pre-comp Boost.
Lab #40B is a Hot Rodded compressor edition, with the same features as the A, but with a Clip and Attack knobs.
Power consumption : 4mA
Voltage : 9Vdc Center negative only