The Poly Shifter XS-1 adds versatile pitch shifting capabilities to any rig. Cable of shifting up or down 7 semi-tones and 3 octaves, this pedal is capable of producing a wide range of tonalities and harmonies for any situation. Equipped with a dry signal balance knob, the pedal can act as a true pitch shifter or as a harmonizer. Additional features include a toggle-moment switch and an expression pedal port. This pre-owned pedal is in perfect working order and comes equipped with velcro for easy pedalboard installation.

From Boss:

The XS-1 Poly Shifter delivers instant retuning in a convenient, compact footprint. Driven by advanced BOSS algorithms years in the making, this magical pedal transforms the overall pitch while maintaining your instrument’s true character. You get speedy tracking, crystal-clear response, and zero compromise in tone—whether shifting down, simulating a capo, or using extreme octave jumps for effect. The versatile XS-1 unlocks a new level of performance freedom, making tuning changes fast, fluid, and seamless.