The XS-100 Poly Shifter redefines pitch shifting with a pedal thanks to BOSS's groundbreaking technology. With natural sound, precise tracking, and extensive customization options, this expressive tool transforms the way pitch is played. Shift up or down four octaves with the smooth pedal to enrich your music with new, captivating colors. Trigger abrupt changes with a single press of the footswitch and retune your instrument with drop tunings, capo simulations, and more. The built-in memories ensure that your favorite settings are always ready when you need them.