The BOSS XS-100 Poly Shifter sets a new benchmark in polyphonic pitch-shifting effects. This groundbreaking flagship pedal delivers ultimate flexibility and matchless audio quality while maintaining the instrument’s natural feel and tone.

Leveraging state-of-the-art technology, this Poly Shifter enables musicians to perform with unparalleled fluidity and precision, from wild octave sweeps to subtle detuning. With boundless creative potential, the XS-100 provides seamless pitch gliding combined with instant drop/capo retune features, and much more. Sporting a rugged, new-look enclosure with a built-in expression pedal and LCD, the XS-100 is a modern pitch-shifting marvel that endlessly inspires.

Features

• Seamless pitch shifting with on-bord expression pedal,
  combined with drop/capo retune capabilities
  
• Brand-new algorithm leverages ultra-fast attack and response, preserving clarity, technique, and instrument character
  
• Polyphonic pitching delivers stunning, glitch-free performance, even when playing full chords or fast melodic lines
  
• Extensive side parameters let you fine-tune the pedal's behavior to suit your unique playing dynamics and technique.
  
• Since it's a natural-sounding pitch shifter, it pairs well with other effects
  
• Fully supports bass frequencies
  
• Durable design ensures stable operation for gigging
• With dual pitch-shift options, the expression pedal offers seamless, real-time transitions, while the Tune Down switch delivers instant interval leaps.
  
• Effect switch enables expression pedal control with up to ±4 octaves of range. Plus, the toe switch (EXP1) can be assigned to functions like instant pitch shifts for enhanced live performance control.
  
• Tune Down switch lets you instantly retune or engage the Detune function, adding subtle pitch variations up to ±50 cents.
  
• Expression pedal curve can be adjusted to suit the player’s preference
• Recallable 30 memories to control over several settings
  
• Easy to edit detailed parameters with graphic LCD
  
• MIDI I/O for comprehensive control
  
• CTL 1, 2/EXP 2 jack provides optional external footswitch or expression pedal control for assigned functions such as effect volume and memory switching
  
• Independent analog dry through output