The Electro-Harmonix Enigma Analogue Bass Envelope Filter is an Electro-Harmonix wah pedal, currently around $199.99. Close alternatives include the Cry Baby Dunlop 105Q CB Bass and the Creation Audio Labs Funkulator. It pairs well with the Ampeg RB-110 and the Ampeg SVT-CL.
Electro-Harmonix Enigma Analogue Bass Envelope Filter
Electro-Harmonix · pedal
The Electro-Harmonix Enigma Analogue Bass Envelope Filter is a bass-specific analog envelope filter from Electro-Harmonix, delivering Q-Balls-style pick-attack-responsive filter sweeps optimized for bass guitar. Controls include Q (filter resonance), Blend (wet/dry), Voice (filter mode), Range, and Drive for comprehensive bass envelope filter control. The Enigma is specifically designed for bass with bass-frequency-optimized filter sweeps that preserve low-frequency content.
What stands out
“Use-case wise it suits funk, soul, and expressive bass players who want bass-specific envelope filter for live and studio use”
— from the community notes
“The Enigma delivers bass-optimized analog envelope filter with Q, Blend, Voice, Range, and Drive controls for expressive, dynamics-responsive bass filter tones that preserve the fundamental bass frequency”
— from the community notes
“delivering q-balls-style pick-attack-responsive filter sweeps optimized for bass guitar”
— from the listing
“filter resonance”
— from the listing
“Strengths: Bass-specific analog envelope filter with Q resonance control preserves low-frequency content while delivering expressive pick-attack-responsive filter sweeps”
— from the reviews
- envelope filter
- frequency
- bass
- filter
- resonance
- responsive
- expressive
- pick attack
Price updated Oct 24, 2026
Genres the Electro-Harmonix Enigma Analogue Bass Envelope Filter is commonly used in
- Funk
- Soul
- Electronic
cited
Inferred from shared tonal signals, not a stated genre tag. - Experimental
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Electro-Harmonix Enigma Analogue Bass Envelope Filter
Ampeg RB-110
Ampeg
15% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Ampeg RB-110's own gritty character is the real reason this is worth trying
Comes later in the signal chain
Ampeg SVT-CL
Ampeg
14% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Into the SVT-CL's growling tube stage, the Enigma's resonant envelope filter tracks dynamics instead of getting buried.
Comes later in the signal chain
Ceriatone British Style 2525
Ceriatone
tonal matchComes later in the signal chain
Into a dynamic tone, Ceriatone British Style 2525 brings a pull toward compressed that's missing
Vox AC30S1 OneTwelve 30W 1x12 Combo
Vox
tonal matchComes later in the signal chain
Into a dynamic tone, Vox AC30S1 OneTwelve 30W 1x12 Combo brings a pull toward compressed that's missing
Fryette Power Station 100
Fryette
tonal matchComes later in the signal chain
Fryette Power Station 100 leans this dynamic tone toward compressed, which it doesn't make on its own
Kustom HV30 Tube
Kustom
tonal matchComes later in the signal chain
Kustom HV30 Tube leans this dynamic tone toward compressed, which it doesn't make on its own
Mesa/Boogie Stiletto Deuce Stage II
Mesa Boogie
tonal matchComes later in the signal chain
Mesa/Boogie Stiletto Deuce Stage II leans this dynamic tone toward compressed, which it doesn't make on its own
Friedman PT-20
Friedman
tonal matchComes later in the signal chain
Friedman PT-20 leans this dynamic tone toward compressed, which it doesn't make on its own
Pedals that stack with the Electro-Harmonix Enigma Analogue Bass Envelope Filter
Origin Effects RevivalDrive
Origin Effects
23% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Into a dynamic tone, Origin Effects RevivalDrive brings a pull toward compressed that's missing
Comes later in the signal chain
Dunlop MXR Distortion Plus
Dunlop
21% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Dunlop MXR Distortion Plus leans this dynamic tone toward compressed, which it doesn't make on its own
Comes later in the signal chain
JHS Lucky Cat Delay limited edition
JHS Pedals
11% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
JHS Lucky Cat Delay limited edition's pristine voice goes after Electro-Harmonix Enigma Analogue Bass Envelope Filter in the signal chain — it's not there to compete with Electro-Harmonix Enigma Analogue Bass Envelope Filter's own dynamic character — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Boss DD-7 Digital Delay
Boss
5% matchPut Boss DD-7 Digital Delay after Electro-Harmonix Enigma Analogue Bass Envelope Filter in the signal chain, where it won't crowd Electro-Harmonix Enigma Analogue Bass Envelope Filter — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
DigiTech DOD Compressor 280
Digitech
tonal matchComes later in the signal chain
DigiTech DOD Compressor 280 leans this dynamic tone toward compressed, which it doesn't make on its own
DigiTech XBS Bass Squeeze
Digitech
tonal matchComes later in the signal chain
DigiTech XBS Bass Squeeze leans this dynamic tone toward compressed, which it doesn't make on its own
Fairfield Circuitry 20% More
Fairfield Circuitry
tonal matchComes later in the signal chain
Fairfield Circuitry 20% More leans this dynamic tone toward compressed, which it doesn't make on its own
Tech 21 CompTortion
Tech 21
tonal matchComes later in the signal chain
Into a dynamic tone, Tech 21 CompTortion brings a pull toward compressed that's missing
Cheaper alternatives
Dr. Green Doctors Note Bass Envelope Filter
Dr Green
61% similarityShared character: bass, soul, filter
MXR M82 Bass Envelope Filter
MXR
59% similarityShared character: bass, filter
Boss AW-3
Boss
50% similarityShared character: bass, soul, filter
Mooer Bass Sweeper
Mooer
47% similarityShared character: filter, bass
Similar character
Questions people ask
What are good alternatives to the Electro-Harmonix Enigma Analogue Bass Envelope Filter?+
The closest matches in character are the Cry Baby Dunlop 105Q CB Bass, the Creation Audio Labs Funkulator, the Dr. Green Doctors Note Bass Envelope Filter. Budget picks: Dr. Green Doctors Note Bass Envelope Filter, MXR M82 Bass Envelope Filter, Boss AW-3.
What pairs well with the Electro-Harmonix Enigma Analogue Bass Envelope Filter?+
Strong matches from rig and tone-complementarity evidence: Ampeg RB-110, Ampeg SVT-CL, Ceriatone British Style 2525 — Ampeg RB-110's own gritty character is the real reason this is worth trying.
How much does the Electro-Harmonix Enigma Analogue Bass Envelope Filter cost?+
Around $199.99 (live listing price, updated Oct 24, 2026).