Boss

Boss XS-1 Poly Shifter

$199.99

Class-leading pitch shifting quality realized with new BOSS algorithms
Instantly change the pitch of a guitar, bass, or other instrument
Clear response and natural feel that retains the fundamental sound character
Change pitch across +/- seven semitones or +/- three octaves
Balance knob adjusts the mix between the effect and direct sound
Detune function (+/- 20 cents) to create rich doubling effects
Selectable pedal switch modes for toggle or momentary operation
Connect external footswitches for quick access to up to three tuning setups, or use an expression pedal for linear pitch control
BOSS five-year warranty