The MXR Sub Machine is an MXR octave pedal, currently around $177.99. Close alternatives include the DOD Electronics Meatbox and the Electro-Harmonix POG. It pairs well with the Laney DBC410 Digbeth 4x10 Cabinet and the Peavey MiniMAX.
MXR Sub Machine
MXR · pedal
The MXR Sub Machine is an octave fuzz pedal from MXR (Dunlop), delivering a sub-octave synthesized bass note alongside the upper-register guitar signal and fuzz saturation for thick, full-frequency octave fuzz tones. The Sub Machine adds bass depth to fuzz for heavy, dense octave fuzz character in modern heavy rock and experimental applications.
What stands out
“The MXR Sub Machine delivers octave fuzz with sub-bass synthesis at MXR Dunlop quality for heavy rock and experimental players who want thick, full-frequency octave fuzz”
— from the community notes
“The Sub Machine adds bass depth to fuzz for heavy, dense octave fuzz character in modern heavy rock and experimental applications”
— from the listing
“Limitations: Specialized sub-octave character requiring single-note playing below 12th fret”
— from the reviews
“Use-case wise it suits heavy rock, doom, and experimental players who want sub-octave fuzz at MXR quality”
— from the community notes
“delivering a sub-octave synthesized bass note alongside the upper-register guitar signal and fuzz saturation for thick”
— from the listing
- octave fuzz
- heavy rock
- octave
- sub
- thick
- frequency
- full
- modern
Price updated Oct 22, 2026
Genres the MXR Sub Machine is commonly used in
- Experimental
- Stoner Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Noise Rock
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the MXR Sub Machine
Laney DBC410 Digbeth 4x10 Cabinet
Laney
21% matchLaney DBC410 Digbeth 4x10 Cabinet's own tight character is the real reason this is worth trying
Comes later in the signal chain
Peavey MiniMAX
Peavey
21% matchPeavey MiniMAX leans toward tight, and that's a real, usable character to pair with
Comes later in the signal chain
Gallien-Krueger MB108
Gallien Krueger
tonal matchComes later in the signal chain
Gallien-Krueger MB108 goes after MXR Sub Machine in the chain
Gallien-Krueger MB150S-112 Bass Combo
Gallien Krueger
tonal matchComes later in the signal chain
Gallien-Krueger MB150S-112 Bass Combo goes after MXR Sub Machine in the chain
Gallien-Krueger MB210MK2
Gallien Krueger
tonal matchComes later in the signal chain
Gallien-Krueger MB210MK2 goes after MXR Sub Machine in the chain
Revv Dynamis D25 25W 1x12 Combo
Revv
tonal matchComes later in the signal chain
Put Revv Dynamis D25 25W 1x12 Combo after MXR Sub Machine
Revv Dynamis D20 MkII 20W Head
Revv
tonal matchComes later in the signal chain
Revv Dynamis D20 MkII 20W Head goes after MXR Sub Machine in the chain
EVH 410
Evh
tonal matchComes later in the signal chain
EVH 410 goes after MXR Sub Machine in the chain
Pedals that stack with the MXR Sub Machine
Airis Effects 51-Filthy
Airis Effects
18% matchAiris Effects 51-Filthy's own tight character is the real reason this is worth trying
Comes later in the signal chain
Soldano SLO
Soldano
16% matchWhat Soldano SLO brings here leans toward high gain — that's worth building a pairing around
Comes later in the signal chain
TC Electronic Triple Flashback Delay
TC Electronic
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run TC Electronic Triple Flashback Delay after MXR Sub Machine in the signal chain, where it won't crowd MXR Sub Machine — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Keeley Eccos Tape Flanged Delay
Keeley
6% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Keeley Eccos Tape Flanged Delay after MXR Sub Machine in the signal chain, where it won't crowd MXR Sub Machine — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
EarthQuaker Devices Swiss Things
EarthQuaker Devices
EarthQuaker Devices Utility Series Buffer Preamp
EarthQuaker Devices
tonal matchComes later in the signal chain
EarthQuaker Devices Utility Series Buffer Preamp goes after MXR Sub Machine in the chain
Hiwatt WEM Copicat Boost
Hiwatt
tonal matchComes later in the signal chain
Hiwatt WEM Copicat Boost goes after MXR Sub Machine in the chain
Maxon DB10 Dual Booster
Maxon
tonal matchComes later in the signal chain
Maxon DB10 Dual Booster goes after MXR Sub Machine in the chain
Cheaper alternatives
Donner Harmonic Square Octave/Pitch Shifter
Donner
41% similarityShared character: one octave
Beetronics Whoctahell V2 Low Octave Beeast
Beetronics
95% similaritysimilar tone character
Hungry Robot The Monastery Octave Generator
Hungry Robot
93% similaritysimilar tone character
Similar charactersee all similar tone character →
See all alternatives to the MXR Sub Machine (cheaper + boutique) →
Questions people ask
What are good alternatives to the MXR Sub Machine?+
The closest matches in character are the DOD Electronics Meatbox, the Electro-Harmonix POG, the Donner Harmonic Square Octave/Pitch Shifter. Budget picks: Donner Harmonic Square Octave/Pitch Shifter, Beetronics Whoctahell V2 Low Octave Beeast, Hungry Robot The Monastery Octave Generator.
What pairs well with the MXR Sub Machine?+
Strong matches from rig and tone-complementarity evidence: Laney DBC410 Digbeth 4x10 Cabinet, Peavey MiniMAX, Gallien-Krueger MB108 — Laney DBC410 Digbeth 4x10 Cabinet's own tight character is the real reason this is worth trying.
How much does the MXR Sub Machine cost?+
Around $177.99 (live listing price, updated Oct 22, 2026).
Compare
- vs Beetronics Whoctahell V2 Low Octave Beeast
- vs Electro-Harmonix POG
- vs Hungry Robot The Monastery Octave Generator