The Rocktron Heart Attack Dynamic Filter is a Rocktron wah pedal, currently around $49.68. Close alternatives include the Musitronics Mu-Tron III and the Mr. Black Fwonkbeta. It pairs well with the Fender Twin Reverb Head and the Hiwatt Custom DR20H.
Rocktron Heart Attack Dynamic Filter
Rocktron · pedal
The Rocktron Heart Attack is a dynamic filter and auto-wah pedal from Rocktron (Battle Creek, Michigan), delivering touch-sensitive envelope filter auto-wah that responds to pick attack for funky filter effects at accessible Rocktron pricing.
- filter
- envelope filter
- auto wah
- dynamic
- touch
- attack
- funk
- pick attack
Price updated Aug 26, 2026
Genres the Rocktron Heart Attack Dynamic Filter is commonly used in
- 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.
Amps that pair well with the Rocktron Heart Attack Dynamic Filter
Fender Twin Reverb Head
amplifier
9% matchRocktron Heart Attack Dynamic Filter's dynamic character and Fender Twin Reverb Head's dynamic voice sit in the same lane rather than fighting each other
Hiwatt Custom DR20H
Hiwatt
9% matchHiwatt Custom DR20H's own tight character is the real reason this is worth trying
Pedals that stack with the Rocktron Heart Attack Dynamic Filter
Catalinbread Giygas
Catalinbread
7% matchWhat Catalinbread Giygas brings here leans toward octave — that's worth building a pairing around
Electro-Harmonix Big Muff Pi
Electro-Harmonix
7% matchWhat Electro-Harmonix Big Muff Pi brings here leans toward fuzzy — that's worth building a pairing around
Benson Amps Delay
Benson Amps
5% matchKeep Rocktron Heart Attack Dynamic Filter's dynamic voice out front: Benson Amps Delay goes after Rocktron Heart Attack Dynamic Filter in the signal chain so its slapback voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Boss DD-7 Digital Delay
Boss
5% matchPut Boss DD-7 Digital Delay after Rocktron Heart Attack Dynamic Filter in the signal chain, clear of Rocktron Heart Attack Dynamic Filter's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Cheaper alternatives
Boutique & premium upgrades
One Control Butter Yellow Auto Quack
One Control
70% similarityShared character: pick_attack, filter, touch
Mad Professor Snow White
Mad Professor
67% similarityShared character: pick_attack, filter, touch
Malekko Omicron Analog E Filter V2
Malekko
63% similarityShared character: filter, touch
Electro-Harmonix Micro Q-Tron
Electro-Harmonix
96% similaritysimilar tone character
Behringer B-Tron III Envelope Filter
Behringer
95% similaritysimilar tone character
GFI System Rossie
Gfi System
95% similaritysimilar tone character
Similar charactersee all similar tone character →
Musitronics Mu-Tron III
Musitronics
72% similarityShared character: pick_attack, filter, touch
Mr. Black Fwonkbeta
Mr Black
68% similarityShared character: pick_attack, filter, touch
Keeley Neutrino
Keeley
66% similarityShared character: pick_attack, filter, touch
Rocktron VII Deadly Sins Auto Wah
Rocktron
63% similarityShared character: filter, touch
Source Audio Encounter
Source Audio
60% similarityShared character: filter, touch
Demon FX Pearl White Auto Wah
Demon Fx
96% similaritysimilar tone character
See all alternatives to the Rocktron Heart Attack Dynamic Filter (cheaper + boutique) →
Questions people ask
What are good alternatives to the Rocktron Heart Attack Dynamic Filter?+
The closest matches in character are the Musitronics Mu-Tron III, the Mr. Black Fwonkbeta, the Keeley Neutrino. Budget picks: Donner Mini Auto Wah. Boutique upgrades: One Control Butter Yellow Auto Quack, Mad Professor Snow White, Malekko Omicron Analog E Filter V2.
What pairs well with the Rocktron Heart Attack Dynamic Filter?+
Strong matches from rig and tone-complementarity evidence: Fender Twin Reverb Head, Hiwatt Custom DR20H, Catalinbread Giygas — Rocktron Heart Attack Dynamic Filter's dynamic character and Fender Twin Reverb Head's dynamic voice sit in the same lane rather than fighting each other.
How much does the Rocktron Heart Attack Dynamic Filter cost?+
Around $49.68 (live listing price, updated Aug 26, 2026).