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Boss XS-1 Poly Pitch Shifter Pedal

Boss XS-1 Poly Pitch Shifter Pedal

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  • Details
  • Features
  • Tech Specs
  • Reviews

The BOSS XS-1 Poly Shifter packs cutting-edge performance into a compact pedal. Powered by advanced polyphonic pitch-shifting technology built on decades of expertise, the XS-1 is crafted for musicians who demand precision, flexibility, and ease of use.

From faultless octave jumps to subtle detuning, players can perform head-turning pitch effects while preserving their instrument’s natural feel and tone. Designed for effortless creative exploration, this versatile stompbox delivers instant capo functionality, drop tunings for heavy riffs, dramatic tonal shifts, and much more.

More Information
Product Name Boss XS-1 Poly Pitch Shifter Pedal
Brand Boss
Condition New
MPN XS-1
UPC 761294519332
Shipping Option Free Shipping to the Continental U.S.
  • Instant retuning capability without pausing your creativity
  • Brand-new algorithm leverages ultra-fast attack, preserving clarity, technique, and instrument character
  • Polyphonic pitching delivers stunning, glitch-free performance, even when playing full chords or fast melodic lines
  • 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
  • Natural pitch shifting with in a range of six octaves (three up to three down)
  • Shift knob allows users to quickly select between 1-7 semitone or 1-3 octave intervals
  • Detune mode adds depth and richness to your tones like doubling effect
  • Shift Up function delivers convenient capo-style operation for changing key in a song or for tapping style performance
  • Emulate bass instruments on guitar by shifting down one octave
  • Craft harmonized solos and effects using semitone shifts
  • The Balance knob allows quick, easy adjustment between the wet and dry signals
  • The Shift knob provides effortless control over the pitch shift amount
  • The Shift switch toggles the pitch between up, down, or slightly detuned (±20 cents)
  • The Toggle/Moment switch selects between latching the effect on/off or activating it only while the onboard footswitch is pressed
  • External footswitches allow to control over two different settings, so that you can control three different tunings in total
  • Expression pedal allows to control the pitch shift in realtime like dynamic pitch bending effect
AD Conversion 24 bits + AF method (Adaptive Focus method, proprietary Roland & BOSS technology improving SN ratio)
DA Conversion 32 bits
Sampling Frequency 48 kHz
Nominal Input Level -20 dBu
Maximum Input Level +7 dBu
Input Impedance 1 MΩ
Nominal Output Level -20 dBu
Maximum Output Level +7 dBu
Output Impedance 1 kΩ
Recommended Load Impedance 10 kΩ or greater
Bypass Buffered bypass
Controls BALANCE knob, SHIFT knob, PEDAL MODE switch, SHIFT DIRECTION switch, Pedal switch
Indicator CHECK indicator (used for battery check)
Connectors INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
CTL/EXP jack: 1/4-inch TRS phone type
DC IN jack
Power Supply AC adaptor
Alkaline battery (6LR61 or 6LF22, 9V) x 1
Current Draw 120 mA
Expected Battery Life (Continuous Use) Alkaline battery (6LR61): approx. 3 hours
* Varies with battery specs, capacity, and usage conditions
Dimensions 73 (W) x 129 (D) x 59 (H) mm
2-7/8" (W) x 5-1/8" (D) x 2-3/8" (H)
Weight (including battery) 410 g (15 oz)
Accessories Leaflet (“USING THE UNIT SAFELY”, “IMPORTANT NOTES”, “Information”)
Alkaline battery (9V, 6LR61 or 6LF22)
Options (Sold Separately) AC adaptor: PSA series
Footswitch: FS-5U
Dual footswitch: FS-6, FS-7
Expression Pedal: EV-30, FV-500L, FV-500H, Roland EV-5
Reference 0 dBu = 0.775 Vrms

Boss XS-1 Poly Pitch Shifter Pedal

Details

The BOSS XS-1 Poly Shifter packs cutting-edge performance into a compact pedal. Powered by advanced polyphonic pitch-shifting technology built on decades of expertise, the XS-1 is crafted for musicians who demand precision, flexibility, and ease of use.

From faultless octave jumps to subtle detuning, players can perform head-turning pitch effects while preserving their instrument’s natural feel and tone. Designed for effortless creative exploration, this versatile stompbox delivers instant capo functionality, drop tunings for heavy riffs, dramatic tonal shifts, and much more.

More Information
Product Name Boss XS-1 Poly Pitch Shifter Pedal
Brand Boss
Condition New
MPN XS-1
UPC 761294519332
Shipping Option Free Shipping to the Continental U.S.
Features
  • Instant retuning capability without pausing your creativity
  • Brand-new algorithm leverages ultra-fast attack, preserving clarity, technique, and instrument character
  • Polyphonic pitching delivers stunning, glitch-free performance, even when playing full chords or fast melodic lines
  • 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
  • Natural pitch shifting with in a range of six octaves (three up to three down)
  • Shift knob allows users to quickly select between 1-7 semitone or 1-3 octave intervals
  • Detune mode adds depth and richness to your tones like doubling effect
  • Shift Up function delivers convenient capo-style operation for changing key in a song or for tapping style performance
  • Emulate bass instruments on guitar by shifting down one octave
  • Craft harmonized solos and effects using semitone shifts
  • The Balance knob allows quick, easy adjustment between the wet and dry signals
  • The Shift knob provides effortless control over the pitch shift amount
  • The Shift switch toggles the pitch between up, down, or slightly detuned (±20 cents)
  • The Toggle/Moment switch selects between latching the effect on/off or activating it only while the onboard footswitch is pressed
  • External footswitches allow to control over two different settings, so that you can control three different tunings in total
  • Expression pedal allows to control the pitch shift in realtime like dynamic pitch bending effect
Tech Specs
AD Conversion 24 bits + AF method (Adaptive Focus method, proprietary Roland & BOSS technology improving SN ratio)
DA Conversion 32 bits
Sampling Frequency 48 kHz
Nominal Input Level -20 dBu
Maximum Input Level +7 dBu
Input Impedance 1 MΩ
Nominal Output Level -20 dBu
Maximum Output Level +7 dBu
Output Impedance 1 kΩ
Recommended Load Impedance 10 kΩ or greater
Bypass Buffered bypass
Controls BALANCE knob, SHIFT knob, PEDAL MODE switch, SHIFT DIRECTION switch, Pedal switch
Indicator CHECK indicator (used for battery check)
Connectors INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
CTL/EXP jack: 1/4-inch TRS phone type
DC IN jack
Power Supply AC adaptor
Alkaline battery (6LR61 or 6LF22, 9V) x 1
Current Draw 120 mA
Expected Battery Life (Continuous Use) Alkaline battery (6LR61): approx. 3 hours
* Varies with battery specs, capacity, and usage conditions
Dimensions 73 (W) x 129 (D) x 59 (H) mm
2-7/8" (W) x 5-1/8" (D) x 2-3/8" (H)
Weight (including battery) 410 g (15 oz)
Accessories Leaflet (“USING THE UNIT SAFELY”, “IMPORTANT NOTES”, “Information”)
Alkaline battery (9V, 6LR61 or 6LF22)
Options (Sold Separately) AC adaptor: PSA series
Footswitch: FS-5U
Dual footswitch: FS-6, FS-7
Expression Pedal: EV-30, FV-500L, FV-500H, Roland EV-5
Reference 0 dBu = 0.775 Vrms
Reviews