You can control the room-size with the Level knob and then tweak the Delay bounce point with the Decay knob

Expression pedal input for foot control of delay time

1/4″ Amp output

Rosette: Maple and Black Rings

Top Purfling Inlay: Black/White/Black ABS

Earthquaker Aurelius Tri-Voice Chorus Category_Footswitch You can control the room-sizeThis is not your run of the mill chorus pedal. This compact, beautifully cased wonder is a three voice chorus with six programmable presets and expression control. Choose from Vibrato Mode, Chorus Mode, and Rotary Mode and manipulate their Width, Rate, and Balance to achieve your ideal sound. Shift seamlessly from one mode to another to cop a blend that is all your own. One simple tap of the Preset (Save Recall) switch and you can summon up to six