The Rocktron Reaction Dynamic Filter is a Rocktron wah pedal, currently around $43.88. Close alternatives include the Keeley Neutrino and the Musitronics Mu-Tron III. It pairs well with the Marshall JVM410H and the Two-Rock Vintage Deluxe 6L6 35W 1x12 Combo.

Rocktron Reaction Dynamic Filter

Rocktron · pedal

The Rocktron Reaction Dynamic Filter is part of the Reaction series, an envelope filter whose sweep is driven by playing dynamics rather than a foot treadle, producing the vocal auto-wah effect associated with funk and reggae. That makes it a different proposition from the fixed-rate modulation pedals elsewhere in the line. Independent coverage of this specific model is limited, so this description stays with what the effect type establishes.

What stands out

  • “The Rocktron Reaction Dynamic Filter delivers dynamic filter at accessible Rocktron pricing for budget players”

    — from the community notes

  • “The Rocktron Reaction Dynamic Filter is part of the Reaction series, an envelope filter whose sweep is driven by playing dynamics , producing the vocal auto-wah effect associated with funk and reggae”

    — from the listing

  • “That makes it a different proposition from the fixed-rate modulation pedals elsewhere in the line”

    — from the listing

  • “Independent coverage of , so this description stays with what the effect type establishes”

    — from the listing

  • “Basic controls”

    — from the reviews

  • filter
  • dynamic
  • envelope filter
  • reggae
  • funk
  • vocal
  • auto wah
  • driven
$43.88View on Reverb

Price updated Oct 24, 2026

Genres the Rocktron Reaction Dynamic Filter is commonly used in

  • Reggae
  • Funk
  • Soul
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Rocktron Reaction Dynamic Filter

Marshall JVM410H

Marshall

21% match

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Marshall JVM410H leans toward pristine, and that's a real, usable character to pair with

Comes later in the signal chain

Two-Rock Vintage Deluxe 6L6 35W 1x12 Combo

Two-Rock

17% match
$5500via Reverb

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Two-Rock Vintage Deluxe 6L6 35W 1x12 Combo leans this dynamic tone toward compressed, which it doesn't make on its own

Comes later in the signal chain

Mesa/Boogie Stiletto Deuce Stage II

Mesa Boogie

tonal match
$1147.50via Reverb

Comes later in the signal chain

Into a dynamic tone, Mesa/Boogie Stiletto Deuce Stage II brings a pull toward compressed that's missing

Friedman Small Box 50W EL34 Amp Head

Friedman

tonal match

Comes later in the signal chain

Into a dynamic tone, Friedman Small Box 50W EL34 Amp Head brings a pull toward compressed that's missing

Friedman PT-20

Friedman

tonal match
$1499via Reverb

Comes later in the signal chain

Into a dynamic tone, Friedman PT-20 brings a pull toward compressed that's missing

Ceriatone British Style 2525

Ceriatone

tonal match

Comes later in the signal chain

Ceriatone British Style 2525 leans this dynamic tone toward compressed, which it doesn't make on its own

Friedman Pink Taco Head

Friedman

tonal match
$1499via Reverb

Comes later in the signal chain

Into a dynamic tone, Friedman Pink Taco Head brings a pull toward compressed that's missing

Vox AC30S1 OneTwelve 30W 1x12 Combo

Vox

tonal match

Comes later in the signal chain

Vox AC30S1 OneTwelve 30W 1x12 Combo leans this dynamic tone toward compressed, which it doesn't make on its own

Pedals that stack with the Rocktron Reaction Dynamic Filter

Airis Effects SPEC-Defier

Airis Effects

22% match
$169via Reverb

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Airis Effects SPEC-Defier leans this dynamic tone toward compressed, which it doesn't make on its own

Comes later in the signal chain

Cusack Music Tap-A-Fuzz

Cusack Music

22% match
$249via Reverb

Put Cusack Music Tap-A-Fuzz in front and the mid-forward tone leans further toward fuzzy

Comes later in the signal chain

Boss DD-2 Digital Delay

Boss

5% match
$125via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Put Boss DD-2 Digital Delay after Rocktron Reaction Dynamic Filter in the signal chain, where it won't crowd Rocktron Reaction Dynamic Filter — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Carl Martin DeLayla XL

Carl Martin

5% match
$372.92via Reverb

Keep Rocktron Reaction Dynamic Filter's dynamic voice out front: Carl Martin DeLayla XL goes after Rocktron Reaction Dynamic Filter in the signal chain so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

MXR Badass Variac

MXR

tonal match
$154.66via Reverb

Comes later in the signal chain

MXR Badass Variac leans this dynamic tone toward compressed, which it doesn't make on its own

JHS Pedals JHS Cheeseball

JHS Pedals

tonal match

Comes later in the signal chain

Into a dynamic tone, JHS Pedals JHS Cheeseball brings a pull toward compressed that's missing

DigiTech DOD Compressor 280

Digitech

tonal match
$118.97via Reverb

Comes later in the signal chain

Into a dynamic tone, DigiTech DOD Compressor 280 brings a pull toward compressed that's missing

DigiTech XBS Bass Squeeze

Digitech

tonal match
$95.74via Reverb

Comes later in the signal chain

Into a dynamic tone, DigiTech XBS Bass Squeeze brings a pull toward compressed that's missing

Cheaper alternatives

Rocktron Heart Attack Dynamic Filter

Rocktron

48% similarity
$34.13via Reverb

Shared character: filter

Boutique & premium upgrades

Mad Professor Snow White

Mad Professor

56% similarity
$173.17via Reverb

Shared character: vocal, filter

SolidGoldFX Supa Funk

Solidgoldfx

54% similarity
$181.27via Reverb

Shared character: filter

Electro-Harmonix Micro Q-Tron

Electro-Harmonix

53% similarity
$77.03via Reverb

Shared character: vocal, filter

MXR M120 Auto Q Wah

MXR

53% similarity
$95.95via Reverb

Shared character: controls, vocal, filter

One Control Butter Yellow Auto Quack

One Control

52% similarity
$130.73via Reverb

Shared character: filter

Electro-Harmonix Blurst! Modified Filter

Electro-Harmonix

52% similarity
$113.08via Reverb

Shared character: filter

Similar charactersee all similar tone character →

Keeley Neutrino

Keeley

56% similarity

Shared character: vocal, filter

Musitronics Mu-Tron III

Musitronics

54% similarity

Shared character: vocal, filter

Smokin' Amp Co. Micro V Envelope Filter

Smokin Amp Co

53% similarity

Shared character: vocal, filter

Mr. Black Fwonkbeta

Mr Black

50% similarity

Shared character: filter

Vox V863CA Auto Wah

Vox

50% similarity

Shared character: vocal, filter

Rocktron VII Deadly Sins Auto Wah

Rocktron

50% similarity
$43.88via Reverb

Shared character: filter

See all alternatives to the Rocktron Reaction Dynamic Filter (cheaper + boutique) →

Questions people ask

What are good alternatives to the Rocktron Reaction Dynamic Filter?+

The closest matches in character are the Keeley Neutrino, the Musitronics Mu-Tron III, the Smokin' Amp Co. Micro V Envelope Filter. Budget picks: Rocktron Heart Attack Dynamic Filter. Boutique upgrades: Mad Professor Snow White, SolidGoldFX Supa Funk, Electro-Harmonix Micro Q-Tron.

What pairs well with the Rocktron Reaction Dynamic Filter?+

Strong matches from rig and tone-complementarity evidence: Marshall JVM410H, Two-Rock Vintage Deluxe 6L6 35W 1x12 Combo, Mesa/Boogie Stiletto Deuce Stage II — Marshall JVM410H leans toward pristine, and that's a real, usable character to pair with.

How much does the Rocktron Reaction Dynamic Filter cost?+

Around $43.88 (live listing price, updated Oct 24, 2026).

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