The MXR M120 Auto Q Wah is an MXR wah pedal, currently around $99.77. Close alternatives include the Musitronics Mu-Tron III and the Emma DiscomBOBulator. It pairs well with the Friedman BE-Mini Head and the Hughes & Kettner Warp 7.
MXR M120 Auto Q Wah
MXR · pedal
The MXR Auto Q M120 is an envelope filter pedal that produces a dynamic, touch-responsive wah-like sweep triggered by playing intensity, with controls to tune sensitivity and range. It delivers funky, vocal filter textures hands-free, favored by funk and fusion players for expressive, dynamic auto-wah effects on guitar and bass.
- envelope filter
- funk
- fusion
- sensitivity
- vocal
- responsive
- bass
- auto wah
Price updated Aug 27, 2026
Genres the MXR M120 Auto Q Wah is commonly used in
- Experimental
- Funk
- Soul
cited
Inferred from shared tonal signals, not a stated genre tag. - Reggae
cited
Inferred from shared tonal signals, not a stated genre tag. - Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Jazz Fusion
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the MXR M120 Auto Q Wah
Friedman BE-Mini Head
Friedman
tonal matchFriedman BE-Mini Head stacks high gain on top of the mid-forward already here
Hughes & Kettner Warp 7
Hughes & Kettner
tonal matchHughes & Kettner Warp 7 stacks high gain on top of the mid-forward already here
Synergy SL2 Module
Synergy
tonal matchSynergy SL2 Module stacks high gain on top of the mid-forward already here
Hiwatt Hi-Gain 100W Head
Hiwatt
tonal matchHiwatt Hi-Gain 100W Head layers high gain onto an already mid-forward signal
Hughes & Kettner Coreblade
Hughes & Kettner
tonal matchRun mid-forward into Hughes & Kettner Coreblade for more high gain on top
Friedman Phil X Signature
Friedman
tonal matchPut Friedman Phil X Signature in front and the mid-forward tone leans further toward high gain
EVH 000
Evh
tonal matchRun mid-forward into EVH 000 for more high gain on top
ENGL Marty Friedman Inferno E766
Engl
tonal matchENGL Marty Friedman Inferno E766 layers high gain onto an already mid-forward signal
Pedals that stack with the MXR M120 Auto Q Wah
Wren and Cuff Box of War Small Foot Fuzz
Wren And Cuff
19% matchWren and Cuff Box of War Small Foot Fuzz stacks high gain on top of the mid-forward already here
Wren and Cuff Box of War OG
Wren And Cuff
19% matchPut Wren and Cuff Box of War OG in front and the mid-forward tone leans further toward fuzzy
EarthQuaker Devices Afterneath
EarthQuaker Devices
6% matchEarthQuaker Devices Afterneath's ambient voice goes after MXR M120 Auto Q Wah in the signal chain — it's not there to compete with MXR M120 Auto Q Wah's own mid-forward character — goes in the amp's FX loop (or last, into a clean amp)
Boss DD-2 Digital Delay
Boss
6% matchRun Boss DD-2 Digital Delay after MXR M120 Auto Q Wah in the signal chain, clear of MXR M120 Auto Q Wah'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 matchCusack Music Carolina Reaper Overdrive Fuzz stacks high gain on top of the mid-forward already here
Dr. Scientist Frazz Dazzler V2
Dr Scientist
tonal matchDr. Scientist Frazz Dazzler V2 layers fuzzy onto an already mid-forward signal
Crowther Prunes
Crowther
tonal matchRun mid-forward into Crowther Prunes for more fuzzy on top
EarthQuaker Devices Dirt Transmitter
EarthQuaker Devices
tonal matchEarthQuaker Devices Dirt Transmitter layers fuzzy onto an already mid-forward signal
Cheaper alternatives
Electro-Harmonix Nano BassBalls
Electro-Harmonix
64% similarityShared character: fusion, wah, vocal
Electro-Harmonix Micro Q-Tron Envelope Filter
Electro-Harmonix
97% similaritysimilar tone character
Donner Dynamic wah
Donner
97% similaritysimilar tone character
Electro-Harmonix Micro Q-Tron
Electro-Harmonix
97% similaritysimilar tone character
Demon FX Pearl White Auto Wah
Demon Fx
96% similaritysimilar tone character
Electro-Harmonix Doctor Q
Electro-Harmonix
96% similaritysimilar tone character
Boutique & premium upgrades
Guyatone Wah Rocker WR3
pedal
69% similarityShared character: fusion, sensitivity, wah
Maxon AF-9 Auto Filter
Maxon
68% similarityShared character: controls, sensitivity, pick_attack
Keeley Neutrino V2
Keeley
67% similarityShared character: fusion, wah, vocal
Ashdown Funk Faze
Ashdown
64% similarityShared character: sensitivity, wah, filter
Carl Martin Ottawa Vintage Optical Envelope Auto-Wah/Envelope Filter
Carl Martin
97% similaritysimilar tone character
Carl Martin Ottawa
Carl Martin
96% similaritysimilar tone character
Similar charactersee all similar tone character →
Musitronics Mu-Tron III
Musitronics
76% similarityShared character: fusion, vocal, pick_attack
Emma DiscomBOBulator
pedal
74% similarityShared character: controls, sensitivity, wah
Vox V863CA Auto Wah
Vox
73% similarityShared character: fusion, sensitivity, wah
Rocktron Reaction Dynamic Filter
Rocktron
64% similarityShared character: controls, vocal, filter
Rocktron VII Deadly Sins Auto Wah
Rocktron
63% similarityShared character: sensitivity, filter, touch
Fender Pour Over Envelope Filter
Fender
97% similaritysimilar tone character
See all alternatives to the MXR M120 Auto Q Wah (cheaper + boutique) →
Questions people ask
What are good alternatives to the MXR M120 Auto Q Wah?+
The closest matches in character are the Musitronics Mu-Tron III, the Emma DiscomBOBulator, the Vox V863CA Auto Wah. Budget picks: Electro-Harmonix Nano BassBalls, Electro-Harmonix Micro Q-Tron Envelope Filter, Donner Dynamic wah. Boutique upgrades: Guyatone Wah Rocker WR3, Maxon AF-9 Auto Filter, Keeley Neutrino V2.
What pairs well with the MXR M120 Auto Q Wah?+
Strong matches from rig and tone-complementarity evidence: Friedman BE-Mini Head, Hughes & Kettner Warp 7, Synergy SL2 Module — Friedman BE-Mini Head stacks high gain on top of the mid-forward already here.
How much does the MXR M120 Auto Q Wah cost?+
Around $99.77 (live listing price, updated Aug 27, 2026).
Compare
- vs Electro-Harmonix Micro Q-Tron Envelope Filter
- vs Donner Dynamic wah
- vs Electro-Harmonix Micro Q-Tron