In Stock & Ready to Ship
Boss XS-100 Poly Shifter
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Factory Setup
And Inspection -
Returns
Guitars & Basses (Online & Phone Orders)
We want you to be completely satisfied with your purchase. If you need to return a
guitar or bass, here’s what you need to know:- Returns must be initiated within 3 days of receiving your order.
- To initiate a return, call us at 412-343-5299 for a return authorization number.
- Return shipping is the customer’s responsibility, unless the item arrived damaged or the wrong product was sent.
- If your item shipped with “Free Shipping,” the original outbound shipping cost will be deducted from your refund.
- A 3.5% restocking fee applies to all canceled or returned orders to cover non-refundable payment processing fees.
- Items must be returned in original condition with all packaging materials included. For guitars and basses, that means protective plastic must still be intact on pickups and pickguards; all accessories, case candy, and paperwork must be included; original box and packing materials must be returned.
- We reserve the right to refuse returns or charge an additional restocking fee if items are not returned in original condition.
All Sales Final
We do not accept returns on the following:
- In-store purchases
- Local Pickup Orders (Buy Online / Phone)
- Closeout or clearance items
- Purchases involving trades
- Instruments modified at the time of sale or after (example: strap button or pickup installation)
- Amps, Pedals & Electronics. Due to the nature of electronic products, we do not accept returns on amplifiers, pedals, or other electronic gear. If your item appears defective out of the box, contact us immediately — we’ll work with you and the manufacturer on a warranty resolution.
Description
Boss XS-100 Poly Shifter
The XS-100 Poly Shifter redefines pedal-based pitch shifting with groundbreaking BOSS technology years in the making. Delivering natural sound, precision tracking, and deep customization options, this powerhouse expression machine transforms how you perform with pitch. Glide up or down four full octaves with the ultra-smooth pedal to infuse your music with evocative new colors. Enhance solos by triggering bold shifts with a single footswitch press. Instantly retune your instrument with drop tunings, capo simulations, and more. And with onboard memories, your favorite setups are always ready when you need them.
Standard Features:
- Advanced pitch-shifting workstation with deep control options and an eight-octave range
- Total pitch control for guitar and bass
- Class-leading pitch shifting quality realized with new BOSS algorithms
- Clear response and natural feel that retains the fundamental sound character
- Smooth onboard pedal with integrated toe switch provides linear pitch control across +/- four octaves
- Fixed pitch settings in semitone steps across eight octaves for drop tunings, capo effects, and otherworldly tones
- Detune function (+/- 50 cents) to create rich doubling effects
- Adjustable pedal curve and response
- Fully customizable toe switch and footswitches for momentary pitch changes, instant retuning, and more
- Clear display for editing sounds and 30 memories for storing favorite setups
- Dedicated analog output that mirrors the input signal
- Connect up to two footswitches or an expression pedal for extended control
- TRS MIDI I/O for external control and sending MIDI commands with the pedal and footswitches
- USB connector for system updates
The pedal comes with Boss' Factory Warranty and our 100% satisfaction guarantee!
Specifications
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AD Conversion 24 Bits + AF Method
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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
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DA Conversion 32 Bits
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Sampling Frequency 48 kHz
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Memories 30
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Nominal Input Level INPUT; -10 dBu
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Maximum Input Level INPUT; +7 dBu
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Input Impedance INPUT; 2.2 MΩ
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Nominal Output Level OUTPUT; -10 dBu
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Maximum Output Level OUTPUT; +7 dBu
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Output Impedance OUTPUT; 1 kΩ
Boss XS-100 Poly Shifter
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AD Conversion 24 Bits + AF Method
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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
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DA Conversion 32 Bits
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Sampling Frequency 48 kHz
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Memories 30
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Nominal Input Level INPUT; -10 dBu
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Maximum Input Level INPUT; +7 dBu
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Input Impedance INPUT; 2.2 MΩ
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Nominal Output Level OUTPUT; -10 dBu
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Maximum Output Level OUTPUT; +7 dBu
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Output Impedance OUTPUT; 1 kΩ
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Recommended Load Impedance OUTPUT; 10 kΩ Or Greater
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Bypass Buffered Bypass
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Controls EFFECT Switch; TUNE DOWN Switch; SELECT Knob; EFFECT Button; MEMORY Button; EXP1 Pedal
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Display Graphic LCD (64 x 32 Dots, Backlit LCD)
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Connectors INPUT Jack; 1/4-Inch Phone Type; THRU Jack; 1/4-Inch Phone Type; OUTPUT Jacks; 1/4-Inch Phone Type; CTL1, 2/EXP2 Jack; 1/4-Inch TRS Phone Type; USB Port; USB Type-C®; MIDI (IN, OUT) Connectors; Stereo Miniature Phone Type; DC IN Jack
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Power Supply AC Adaptor
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Current Draw 160 mA
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Power Consumption When In OFF Mode (When The Power Automatically Turns Off) 0.1 W
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Accessories AC Adaptor; Leaflet (“USING THE UNIT SAFELY”, “IMPORTANT NOTES” And “Information”); Rubber Foot x 4




