The Dunlop MXR SUB Machine is a Dunlop fuzz pedal, currently around $199.99. Close alternatives include the JAM Pedals Eureka! Fuzz v2 and the Source Audio Soundblox Multiwave Distortion. It pairs well with the Park P50 Classic and the Marshall JCM800 2203.

Dunlop MXR SUB Machine

Dunlop · pedal

The MXR Sub Machine is a two-channel fuzz and sub-octave pedal from MXR by Jim Dunlop, combining an upper-gain fuzz channel with a sub-octave generator that drops the guitar signal one octave below pitch. The pedal features independent controls for fuzz and sub-octave level alongside a dry signal blend, allowing players to mix the three signal elements in any proportion. The Sub Machine produces dense, synth-like fuzz tones with the sub-octave adding a deep, full-frequency foundation below the fuzz. It is suited to players who want the textural complexity of a fuzz and a sub-bass element in a single enclosure without separate octave and fuzz pedals.

  • fuzz
  • octave
  • sub
  • synth
  • dry
  • frequency
  • tracking
  • mix
$199.99View on Reverb

Price updated Aug 27, 2026

Genres the Dunlop MXR SUB Machine is commonly used in

  • Stoner Rock
  • Rock
  • Experimental
  • Doom Metal
  • Noise Rock
    citedInferred from shared tonal signals, not a stated genre tag.
  • Shoegaze
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Dunlop MXR SUB Machine

Park P50 Classic

Park

27% match

Into Dunlop MXR SUB Machine, Park P50 Classic is right at home: it's built around Marshall-style amps

Marshall JCM800 2203

Marshall

27% match
$2899.99via Reverb

Marshall JCM800 2203's own voicing points at Marshall-style amps, and Dunlop MXR SUB Machine delivers it

Gibson Les Paul LP-1 Preamp

Gibson

tonal match

Gibson Les Paul LP-1 Preamp layers modulated onto an already fuzzy signal

Magnatone 280

Magnatone

tonal match

Magnatone 280 stacks modulated on top of the fuzzy already here

Pedals that stack with the Dunlop MXR SUB Machine

JAM Pedals Retrovibe mk3

Jam Pedals

21% match
$412via Reverb

Keep Dunlop MXR SUB Machine's fuzzy voice out front: JAM Pedals Retrovibe mk3 goes after Dunlop MXR SUB Machine in the signal chain so its modulated voice doesn't muddy it

Walrus Audio Ages

Walrus Audio

18% match
$199via Reverb

Put Walrus Audio Ages in front and the fuzzy tone leans further toward clean boost

Fender Blender

Fender

18% match
$287.06via Reverb

Fender Blender stacks octave on top of the fuzzy already here

Pigtronix Echolution

Pigtronix

12% match

Put Pigtronix Echolution after Dunlop MXR SUB Machine in the signal chain, clear of Dunlop MXR SUB Machine's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Melee Wall of Noise Black

Walrus Audio

12% match
$299via Reverb

Keep Dunlop MXR SUB Machine's fuzzy voice out front: Walrus Audio Melee Wall of Noise Black goes after Dunlop MXR SUB Machine in the signal chain so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

W-LM Compression Fracture

W-LM

10% match

W-LM Compression Fracture's own compressed character is the real reason this is worth trying

SolidGoldFX Oblivion

Solidgoldfx

tonal match

Run fuzzy into SolidGoldFX Oblivion for more octave on top

Caroline Guitar Company Parabola State Tremolo

Caroline Guitar Company

tonal match
$219via Reverb

Run fuzzy into Caroline Guitar Company Parabola State Tremolo for more clean boost on top

Cheaper alternatives

DOD Carcosa

Dod

70% similarity
$123.72via Reverb

Shared character: players, wide_range, fuzz

Catalinbread Perseus

Catalinbread

70% similarity
$161.49via Reverb

Shared character: mono_synth, tight_tracking, wide_range

Electro-Harmonix Mainframe Bit Crusher

Electro-Harmonix

94% similarity
$156.15via Reverb

similar tone character

Boutique & premium upgrades

Fulltone OF-1 Octafuzz

pedal

72% similarity
$400via Reverb

Shared character: mono_synth, players, one_octave

EarthQuaker Devices Life Pedal V3

EarthQuaker Devices

70% similarity
$299via Reverb

Shared character: one_octave, fuzz, mix

Similar charactersee all similar tone character →

JAM Pedals Eureka! Fuzz v2

Jam Pedals

70% similarity
$206.75via Reverb

Shared character: mono_synth, one_octave, fuzz

Source Audio Soundblox Multiwave Distortion

pedal

69% similarity

Shared character: mono_synth, one_octave, fuzz

Behringer SF300 Super Fuzz

Behringer

69% similarity

Shared character: one_octave, fuzz, mix

Beetronics Swarm Fuzz Harmonizer

Beetronics

69% similarity
$249via Reverb

Shared character: pedal, mono_synth, tight_tracking

Black Arts Toneworks -Fnord

Black Arts Toneworks

69% similarity

Shared character: tight_tracking, wide_range, one_octave

MXR Poly Blue Octave

MXR

64% similarity
$235.99via Reverb

Shared character: mono_synth, tight_tracking, one_octave

See all alternatives to the Dunlop MXR SUB Machine (cheaper + boutique) →

Questions people ask

What are good alternatives to the Dunlop MXR SUB Machine?+

The closest matches in character are the JAM Pedals Eureka! Fuzz v2, the Source Audio Soundblox Multiwave Distortion, the Behringer SF300 Super Fuzz. Budget picks: DOD Carcosa, Catalinbread Perseus, Electro-Harmonix Mainframe Bit Crusher. Boutique upgrades: Fulltone OF-1 Octafuzz, EarthQuaker Devices Life Pedal V3.

What pairs well with the Dunlop MXR SUB Machine?+

Strong matches from rig and tone-complementarity evidence: Park P50 Classic, Marshall JCM800 2203, Gibson Les Paul LP-1 Preamp — Into Dunlop MXR SUB Machine, Park P50 Classic is right at home: it's built around Marshall-style amps.

How much does the Dunlop MXR SUB Machine cost?+

Around $199.99 (live listing price, updated Aug 27, 2026).

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Dunlop MXR SUB Machine — NodeTone