Based on John Petrucci's rack wah settings, this Cry Baby Wah features Volume, Q, and six EQ controls for ultimate tonal control over your wah sound.
 
This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).