Eventide PitchFactor Harmonizer with Pitch Shifting + DelayMaker: Eventide Model: PitchFactor Harmonizer with Pitch Shifting + Delay Condition: New Description: Eventide introduced the first audio pitch shifter over 40 years ago and we havent stopped perfecting it since. In one stompbox you get effects that can provide smart harmonies for your every note or turn your instrument into an entire arcade. Arpeggiate, modulate, sequence, split and shift your sound with the tools born of four decades in the studio