EarthQuaker Devices Aurelius Tri Chorus Vibrato Rotary Guitar Effect PedalWelcome, you are looking at a great piece. This is the EarthQuaker Devices Aurelius Tri Chorus Effect Pedal. The Aurelius is not your run of the mill chorus pedal. This compact, beautifully cased wonder is a three voice chorus with six programmable presets and an expression control. Inspired by the 1970s CE 1 Chorus Ensemble pedal, this digital unit has been tirelessly tweaked and fine tuned to give you an all encompassing chorus and vibrato