The Boss X-100 Poly Shifter is a Boss pitch shifter pedal, currently around $330.90. Close alternatives include the Boss XS 100 Poly Shifter and the DigiTech Whammy MN Mono Neon. It pairs well with the Mesa Boogie Mark IIC+ Combo and the Friedman BE-Mini Head.
Boss X-100 Poly Shifter
Boss · pedal
The Boss XS-100 Poly Shifter is a flagship polyphonic pitch-shifting pedal with an integrated expression pedal for real-time whammy-style pitch control. Offers a total range of eight octaves (four up and four down) with 30 user memories, MIDI, USB-C, and adjustable pitch-change speeds enabling motor-revving and dive-bomb effects. Two additional footswitches enable instant pitch bypass and fixed semitone retuning. Reviewed by Guitar World and Guitar.com as a serious Whammy alternative with expanded range.
- pitch
- octave
- whammy
- midi
- subtle
- usb
- live
- complex
Price updated Aug 27, 2026
Genres the Boss X-100 Poly Shifter is commonly used in
- Alternative Rock
- Experimental
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Boss X-100 Poly Shifter
Mesa Boogie Mark IIC+ Combo
Mesa Boogie
18% matchThe low gain tone has headroom to spare — Mesa Boogie Mark IIC+ Combo gives it high gain to fill it with
Friedman BE-Mini Head
Friedman
tonal matchRun Friedman BE-Mini Head into that low gain platform and it finally gets some high gain
Hughes & Kettner Warp 7
Hughes & Kettner
tonal matchRun Hughes & Kettner Warp 7 into that low gain platform and it finally gets some high gain
Synergy SL2 Module
Synergy
tonal matchRun Synergy SL2 Module into that low gain platform and it finally gets some high gain
Hiwatt Hi-Gain 100W Head
Hiwatt
tonal matchHiwatt Hi-Gain 100W Head's high gain fills in what this low gain tone doesn't make on its own
Hughes & Kettner Coreblade
Hughes & Kettner
tonal matchInto a low gain tone, Hughes & Kettner Coreblade brings the high gain it's missing
Friedman Phil X Signature
Friedman
tonal matchThe low gain tone has headroom to spare — Friedman Phil X Signature gives it high gain to fill it with
EVH 000
Evh
tonal matchInto a low gain tone, EVH 000 brings the high gain it's missing
Pedals that stack with the Boss X-100 Poly Shifter
Greer Black Mountain
Greer
20% matchRun Greer Black Mountain into that low gain platform and it finally gets some fuzzy
Wren and Cuff Box of War Small Foot Fuzz
Wren And Cuff
20% matchRun Wren and Cuff Box of War Small Foot Fuzz into that low gain platform and it finally gets some high gain
Red Witch Titan
Red Witch
7% matchPut Red Witch Titan after Boss X-100 Poly Shifter in the signal chain, clear of Boss X-100 Poly Shifter's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
EarthQuaker Devices Afterneath
EarthQuaker Devices
7% matchRun EarthQuaker Devices Afterneath after Boss X-100 Poly Shifter in the signal chain, clear of Boss X-100 Poly Shifter's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Cusack Music Carolina Reaper Overdrive Fuzz
Cusack Music
tonal matchRun Cusack Music Carolina Reaper Overdrive Fuzz into that low gain platform and it finally gets some high gain
Dr. Scientist Frazz Dazzler V2
Dr Scientist
tonal matchDr. Scientist Frazz Dazzler V2's fuzzy fills in what this low gain tone doesn't make on its own
Crowther Prunes
Crowther
tonal matchInto a low gain tone, Crowther Prunes brings the fuzzy it's missing
EarthQuaker Devices Dirt Transmitter
EarthQuaker Devices
tonal matchEarthQuaker Devices Dirt Transmitter's fuzzy fills in what this low gain tone doesn't make on its own
Cheaper alternatives
Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter
Electro-Harmonix
72% similarityShared character: whammy, expression_pedal, one_octave
DigiTech Whammy Pitch-Shifting Pedal
Digitech
70% similarityShared character: whammy, wide_range, expression_pedal
Electro-Harmonix Slammi Plus
Electro-Harmonix
70% similarityShared character: whammy, expression_pedal, one_octave
440 Distribution DigiTech Drop Polyphonic Droptune
440 Distribution
70% similarityShared character: whammy, one_octave, signal_chain
DigiTech WH-1 Whammy Pedal
Digitech
67% similarityShared character: whammy, expression_pedal, one_octave
Boss XS-1
Boss
66% similarityShared character: wide_range, guitar_world, one_octave
Boutique & premium upgrades
Similar charactersee all similar tone character →
Boss XS 100 Poly Shifter
Boss
92% similarityShared character: whammy, wide_range, guitar_world
DigiTech Whammy MN Mono Neon
Digitech
69% similarityShared character: whammy, expression_pedal, one_octave
Meris MR Hedra
Meris
93% similaritysimilar tone character
Alexander Pedals Fever Pitch
Alexander Pedals
92% similaritysimilar tone character
Meris Hedra Shifter
Meris
92% similaritysimilar tone character
EVH Pitch Fork
Evh
91% similaritysimilar tone character
See all alternatives to the Boss X-100 Poly Shifter (cheaper + boutique) →
Questions people ask
What are good alternatives to the Boss X-100 Poly Shifter?+
The closest matches in character are the Boss XS 100 Poly Shifter, the DigiTech Whammy MN Mono Neon, the Meris MR Hedra. Budget picks: Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter, DigiTech Whammy Pitch-Shifting Pedal, Electro-Harmonix Slammi Plus. Boutique upgrades: Mu-Tron Octave Divider, Eventide PitchFactor.
What pairs well with the Boss X-100 Poly Shifter?+
Strong matches from rig and tone-complementarity evidence: Mesa Boogie Mark IIC+ Combo, Friedman BE-Mini Head, Hughes & Kettner Warp 7 — The low gain tone has headroom to spare — Mesa Boogie Mark IIC+ Combo gives it high gain to fill it with.
How much does the Boss X-100 Poly Shifter cost?+
Around $330.90 (live listing price, updated Aug 27, 2026).