The BOSS XS-1 Poly Shifter delivers instant, precise pitch shifting in a compact and versatile pedal. Powered by advanced BOSS algorithms, it transforms your instrument’s pitch while preserving natural tone, clarity, and response. Shift tunings seamlessly across +/- seven semitones or +/- three octaves, create rich detune effects, or simulate capo changes all without compromising sound quality. With intuitive controls, selectable pedal modes, and support for external footswitches or expression pedals, the XS-1 gives you complete creative control for live performance and studio work. Compact, reliable, and backed by BOSS quality, it redefines real-time pitch shifting.Advanced BOSS Pitch-Shifting AlgorithmsDelivers class-leading pitch accuracy and clarity, preserving the natural tone of guitar, bass, or other instruments.Instant Pitch ChangeQuickly shift pitch without interrupting performance, ideal for live shows or studio sessions.Wide Pitch RangeAdjust pitch across ±7 semitones or ±3 octaves, allowing creative flexibility from subtle tuning to extreme octave jumps.Balance ControlBlend the effect with your direct signal for seamless integration, 12-string effects, or parallel sounds.Detune FunctionCreates rich doubling effects with ±20 cents detuning, enhancing depth and texture.Selectable Pedal ModesToggle or momentary operation for versatile performance styles.External Control CompatibilityConnect up to two footswitches or an expression pedal for quick access to multiple tuning setups or dynamic pitch control.Polyphonic Natural SoundMaintains clarity and musicality on complex chords, sustained leads, and across all pickup positions.Compact and Stage-ReadySmall footprint makes it easy to integrate into pedalboards while providing reliable BOSS quality.BOSS Five-Year WarrantyEnsures long-term reliability and support for peace of mind.