Boss XS-1 Poly Shifter

Instant Tuning, Flawless Sound

The XS-1 Poly Shifter offers instant tuning capability in a compact body. Thanks to BOSS's advanced algorithms, developed over years, this "magical" pedal completely alters the pitch of your instrument while preserving its true character.

Whether you're lowering the pitch, creating a capo effect, or making sharp octave shifts for an effect — you'll always get fast tracking, crystal-clear response, and zero tonal loss. The versatile XS-1 makes pitch changes fast, fluid, and flawless, creating a new level of freedom in your performance.

Specifications

AD Conversion

24 bits + AF method
AF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.

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 check battery)

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, commercially available) x 1

Current Draw

120 mA

Expected battery life under continuous use

Alkaline battery (6LR61): Approximately 3 hours
* This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use.

Accessories

Leaflet (“USING THE UNIT SAFELY”, “IMPORTANT NOTES” and “Information”)
Alkaline battery (9 V, 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

Size and Weight

Width

73 mm
2-7/8 inches

Depth

129 mm
5-1/8 inches

Height

59 mm
2-3/8 inches

Weight (including battery)

410 g
15 oz