Mooer MPS1 Pitch Box Harmony/Pitch Shift PedalSpecifications 3 Effects Modes: Harmony, Pitch Shift, Detune Harmony: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice. Pitch Shift: Outputs a precise polyphonic pitch shifting voice. Detune: It slightly shifts the pitch and mixes it back with the original signal to create a chorus like effect, it rings a lot of nice spacy feeling. original signal to create ? Precise polyphonic pitch shifting 2 Oct Pitch