The DigiTech Vocal 300 Vocal Effects Processor is ideal for both warm classic vocals or cutting-edge distortion and lo-fi styles. The exclusive voice "characters" transform your voice from the scariest of monsters to spacey alien beings. The Vocal 300 comes with 38 fully programmable studio quality effects (up to 7 effects at once). The expression pedal can be assigned to control your choice of up to 3 parameters in real time. Each effect includes up to 4 adjustable parameters, giving you total flexibility to create the sound you want. The 6-character alphanumeric and 2-character numeric displays, combined with the 4-knob matrix editing system, provide a simple, straightforward user interface. The Vocal 300 also includes 40 great sounding factory presets and 40 user presets for your own custom creations. Please message us if you have any questions.