BOSS XS-1 Poly Shifter Pedal with Advanced Pitch Shifting for Guitar and Bass
Product highlights
Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more
The BOSS XS-1 Poly Shifter delivers instant, precise pitch shifting in a compact and versatile pedal. Powered by advanced BOSS algorithms, it transforms your instrument’s pitch while preserving natural tone, clarity, and response. Shift tunings seamlessly across +/- seven semitones or +/- three octaves, create rich detune effects, or simulate capo changes all without compromising sound quality. With intuitive controls, selectable pedal modes, and support for external footswitches or expression pedals, the XS-1 gives you complete creative control for live performance and studio work. Compact, reliable, and backed by BOSS quality, it redefines real-time pitch shifting.
Advanced BOSS Pitch-Shifting Algorithms
Delivers class-leading pitch accuracy and clarity, preserving the natural tone of guitar, bass, or other instruments.
Instant Pitch Change
Quickly shift pitch without interrupting performance, ideal for live shows or studio sessions.
Wide Pitch Range
Adjust pitch across ±7 semitones or ±3 octaves, allowing creative flexibility from subtle tuning to extreme octave jumps.
Balance Control
Blend the effect with your direct signal for seamless integration, 12-string effects, or parallel sounds.
Detune Function
Creates rich doubling effects with ±20 cents detuning, enhancing depth and texture.
Selectable Pedal Modes
Toggle or momentary operation for versatile performance styles.
External Control Compatibility
Connect up to two footswitches or an expression pedal for quick access to multiple tuning setups or dynamic pitch control.
Polyphonic Natural Sound
Maintains clarity and musicality on complex chords, sustained leads, and across all pickup positions.
Compact and Stage-Ready
Small footprint makes it easy to integrate into pedalboards while providing reliable BOSS quality.
BOSS Five-Year Warranty
Ensures long-term reliability and support for peace of mind.
BOSS XS-1 Poly Shifter Pedal with Advanced Pitch Shifting for Guitar and Bass
AD/DA Conversion
| AD Conversion | 24 bits + AF method (Adaptive Focus) |
| DA Conversion | 32 bits |
| Sampling Frequency | 48 kHz |
Input / Output
| 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 | |
| CHECK Indicator (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 | 9V (6LR61 or 6LF22) x1 |
| Current Draw | 120 mA |
| Expected Battery Life (Continuous Use) | ~3 hours (varies by battery and usage) |
Accessories
| Leaflet | USING THE UNIT SAFELY, 'IMPORTANT NOTES', and 'Information' |
| Alkaline Battery (9V, 6LR61 or 6LF22) |
Optional Accessories (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 ounces |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.



