The Electro-Harmonix Bass Mono Synth is an Electro-Harmonix synth pedal, currently around $108.71. Close alternatives include the Taurus Bass Pedals and the TC Electronic Nether Octaver. It pairs well with the Ampeg SVT-CL and the Ampeg RB-110.

Electro-Harmonix Bass Mono Synth

Electro-Harmonix · pedal

The Electro-Harmonix Bass Mono Synth is a monophonic bass synthesizer pedal that packs eleven classic synth voices, transforming a bass guitar into vintage style monosynth tones without MIDI pickups or modifications. Using EHX's effective pitch tracking, it delivers huge, powerful basslines from classic fusion to progressive madness, covering synth bass, square and saw leads and other monophonic synth sounds. A SENS control tunes how playing dynamics trigger the synth, and a CTRL knob adjusts a key parameter for each voice. It suits bassists in funk, fusion, electronic, prog and pop who want instant access to a range of classic mono synth bass tones from their normal bass rig.

  • synth
  • bass
  • tracking
  • fusion
  • mono
  • pitch
  • prog
  • dynamic
$108.71View on Reverb

Price updated Aug 27, 2026

Genres the Electro-Harmonix Bass Mono Synth is commonly used in

  • Funk
  • Electronic
  • Experimental
  • Rock

Amps that pair well with the Electro-Harmonix Bass Mono Synth

Ampeg SVT-CL

Ampeg

9% match
$2331.10via Reverb

Into the SVT-CL's growling tube stage, the Bass Mono Synth's tracking stays defined instead of getting lost.

Ampeg RB-110

Ampeg

9% match

The Bass Mono Synth's tracking stays clean through the RB-110's practice-level preamp instead of getting lost at headphone volume.

Pedals that stack with the Electro-Harmonix Bass Mono Synth

Nobels ODR-1

Nobels

9% match
$105.59via Reverb

Nobels ODR-1's own full character is the real reason this is worth trying

Univox Super-Fuzz

Univox

9% match
$599via Reverb

What Univox Super-Fuzz brings here leans toward octave — that's worth building a pairing around

Caroline Guitar Company Meteore

Caroline Guitar Company

6% match

Keep Electro-Harmonix Bass Mono Synth's dynamic voice out front: Caroline Guitar Company Meteore goes after Electro-Harmonix Bass Mono Synth in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Empress Echosystem

Empress

6% match
$481.63via Reverb

Put Empress Echosystem after Electro-Harmonix Bass Mono Synth in the signal chain, clear of Electro-Harmonix Bass Mono Synth's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Cheaper alternatives

TC Electronic Nether Octaver

TC Electronic

63% similarity
$96.38via Reverb

Shared character: tight_tracking, bass

Boutique & premium upgrades

Electro-Harmonix Octave Multiplexer

Electro-Harmonix

62% similarity
$150via Reverb

Shared character: tight_tracking, bass, vintage_charm

Similar character

Taurus Bass Pedals

Moog

66% similarity

Shared character: bass, mono_synth, wide_range

See all alternatives to the Electro-Harmonix Bass Mono Synth (cheaper + boutique) →

Questions people ask

What are good alternatives to the Electro-Harmonix Bass Mono Synth?+

The closest matches in character are the Taurus Bass Pedals, the TC Electronic Nether Octaver, the Electro-Harmonix Octave Multiplexer. Budget picks: TC Electronic Nether Octaver. Boutique upgrades: Electro-Harmonix Octave Multiplexer.

What pairs well with the Electro-Harmonix Bass Mono Synth?+

Strong matches from rig and tone-complementarity evidence: Ampeg SVT-CL, Ampeg RB-110, Nobels ODR-1 — Into the SVT-CL's growling tube stage, the Bass Mono Synth's tracking stays defined instead of getting lost..

How much does the Electro-Harmonix Bass Mono Synth cost?+

Around $108.71 (live listing price, updated Aug 27, 2026).

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