New. Full Boss Warranty. Ships FREE from Grassroots Music Store, your Authorized Roland/Boss Dealer.

The Boss XS-100 Poly Shifter is a powerful pitch-shifting pedal designed to give guitarists and bassists unmatched control over their sound. Built with advanced BOSS technology, it delivers incredibly natural tone and precise tracking, allowing for smooth pitch changes across an expansive range of up to four octaves up or down. The onboard expression pedal enables fluid, real-time pitch manipulation, while fixed pitch settings make it easy to access drop tunings, capo effects, and creative tonal shifts instantly. With deep customization options, onboard memory slots, and flexible connectivity, the XS-100 transforms pitch control into a fully expressive performance tool.

Key Features

• Advanced pitch-shifting pedal with up to an eight-octave range
• High-quality BOSS algorithms for natural sound and precise tracking
• Built-in expression pedal with toe switch for smooth pitch control
• Fixed pitch modes for drop tunings, capo effects, and creative tones
• Detune function (±50 cents) for rich doubling effects
• Adjustable pedal response and customizable controls
• Clear display with 30 onboard memory slots
• Dedicated analog output for clean signal routing
• External control via footswitches or expression pedal
• TRS MIDI I/O for expanded control and integration
• USB connectivity for updates