Boss XS-1 Poly Shifter

The XS-1 Poly Shifter delivers instant retuning in a practical, compact format. Powered by advanced BOSS algorithms developed over years of research, this magical pedal transforms your overall tone while preserving the instrument’s authentic character. Experience fast tracking, crystal-clear response, and flawless sound, whether shifting down, simulating capo positions, or executing extreme octave jumps. The versatile XS-1 unlocks a new level of musical freedom with quick, smooth, and perfect tuning changes.

• Best-in-class pitch shifting thanks to new BOSS algorithms
• Instantly changes the pitch of guitar, bass, or other instruments
• Clear response and natural feel that preserves the core tone character
• Pitch shifts up to +/- seven semitones or +/- three octaves
• Balance dial adjusts the mix between effect and dry signal
• Detune function (+/- 20 cents) creates rich doubled sound effects
• Selectable pedal switch modes for toggle or momentary operation
• Connect external footswitches for quick access to up to three tuning presets, or use an expression pedal for linear pitch control
• Five-year BOSS warranty

During the development of the XS series, BOSS engineers pioneered new methods to enhance real-time pitch shifting and eliminate the common artifacts found in conventional designs. Utilizing precisely calibrated algorithms and a custom-selected DSP platform, the XS-1 delivers a balanced polyphonic interpretation with natural feel and musicality that transcends playing style, pickup positions, and pedal settings. The instrument’s attack and tone are fully preserved, and even complex chords and sustained leads—often problematic for pitch-shifting effects—are rendered with astonishing clarity.

About Roland and Boss

Boss is a manufacturer of effects pedals for electric guitar and bass. It is a division of Roland Corporation, a Japanese company specializing in musical equipment and accessories. For many years, Boss has produced a range of guitar effect products, including "compact" (single) and "twin" (dual) pedals, multi-effects units, electronic tuners, and pedalboards. Recently, they have expanded their product line to include digital studios, rhythm machines, and other electronic gear.