Fairfield Circuitry Unpleasant Surprise pioneer one octave up volume and

one octave up volume and one octave down volume

And with this new 500 series module

Mac OS X (Core Audio and Core MIDI)

Includes rack-mounting hardware

Fairfield Circuitry Unpleasant Surprise pioneer one octave up volume andThis fuzz offering from Fairfield Circuitry is for those who are most determined to completely destroy the integrity of their instrument signal. Like a can of bees, the Unpleasant Surprise adds chaos to every note through a very simple set of controls. Onset, Volume and 3 toggle switches. Onset is an interstage gain control which means turned down you get gated sputtering and muttering, turned up you get a wide open fuzz that really spits. Toggles are