The Pigtronix Envelope Phaser 2 offers a full suite of controls to provide for all of your phase shifting needs, with a unique sweep that can be controlled by Envelope, LFO, external pedal or any blend of those options. Add in controls for depth, speed, sensitivity and resonance, and you've got an incredibly versatile pedal that can pull off classic funk tones, emulate a subtle Uni-Vibe sound or push the envelope (pardon the pun) into bombastic new psychedelic territory. Built on 6 years of customer feedback from the original EP1, the EP2 sports improved tone and new features, like the Staccato mode for rapid playing, in a sturdier and smaller package.