The Henretta Engineering H-Bomb Trembrato is a Henretta Engineering tremolo pedal, currently around $155. Close alternatives include the Electro-Harmonix Mod Rex and the Source Audio Vertigo. It pairs well with the Fender Twin Reverb Head and the Fulltone OCD.

Henretta Engineering H-Bomb Trembrato

Henretta Engineering · pedal

The Henretta Engineering H-Bomb Trembrato is a micro-format tremolo and vibrato pedal from US boutique manufacturer Henretta Engineering, delivering tremolo and vibrato modulation in the smallest possible pedalboard enclosure using Henretta surface-mount micro construction. The trembrato combines tremolo amplitude modulation with vibrato pitch modulation in one micro pedal.

What stands out

  • “The Henretta Engineering H-Bomb Trembrato is a micro-format tremolo and vibrato pedal from US boutique manufacturer Henretta Engineering, delivering tremolo and vibrato modulation in the smallest possible pedalboard enclosure using Henretta…”

    — from the listing

  • “The trembrato combines tremolo amplitude modulation with vibrato pitch modulation in one micro pedal”

    — from the listing

  • “Combined tremolo-vibrato in micro format requires fixed parameter compromise between the two modulation types”

    — from the reviews

  • “Use-case wise it suits space-constrained pedalboard players who want tremolo and vibrato in micro format”

    — from the community notes

  • “The Henretta Engineering H-Bomb Trembrato delivers tremolo and vibrato modulation in the Henretta micro pedal format for players who want both tremolo and vibrato in the smallest possible pedalboard footprint from a US boutique manufacturer”

    — from the community notes

Trade-offs

  • “In the signal chain modulation sits after drive”

    — from the community notes

  • tremolo
  • modulation
  • vibrato
  • pitch
  • micro format
  • henretta micro format
$155View on Reverb

Price updated Oct 25, 2026

Genres the Henretta Engineering H-Bomb Trembrato is commonly used in

  • Indie
    citedInferred from shared tonal signals, not a stated genre tag.
  • Ambient
    citedInferred from shared tonal signals, not a stated genre tag.
  • Experimental
    citedInferred from shared tonal signals, not a stated genre tag.
  • Electronic
    citedInferred from shared tonal signals, not a stated genre tag.
  • Surf Rock
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Henretta Engineering H-Bomb Trembrato

Fender Twin Reverb Head

amplifier

9% match
$672.80via Reverb

Fender Twin Reverb Head's own dynamic character is the real reason this is worth trying

Comes later in the signal chain

Pedals that stack with the Henretta Engineering H-Bomb Trembrato

Fulltone OCD

Fulltone

7% match

Fulltone OCD leans toward full, and that's a real, usable character to pair with

Comes earlier in the signal chain

J. Rockett Archer

pedal

7% match
$199via Reverb

What J. Rockett Archer brings here leans toward high headroom — that's worth building a pairing around

Comes earlier in the signal chain

Meris LVX Delay

Meris

5% match

Keep Henretta Engineering H-Bomb Trembrato's modulated voice out front: Meris LVX Delay goes after Henretta Engineering H-Bomb Trembrato 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)

Comes later in the signal chain

Old Blood Noise Endeavors Dark Star V3

Old Blood Noise Endeavors

5% match
$299via Reverb

Put Old Blood Noise Endeavors Dark Star V3 after Henretta Engineering H-Bomb Trembrato in the signal chain, where it won't crowd Henretta Engineering H-Bomb Trembrato — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Cheaper alternatives

Marshall VT-1

Marshall

81% similarity
$46.10via Reverb

Shared character: vibrato, tremolo, modulation

Modtone Harmonic Tremor Pulsating Tremolo

Modtone

67% similarity
$64.99via Reverb

Shared character: tremolo, modulation, overdrive

Movall Music MP-317 Phoenix wings Tremolo

Movall Music

61% similarity
$36.80via Reverb

Shared character: tremolo, modulation, overdrive

Effects Bakery Uguisu Bread Tremolo

Effects Bakery

59% similarity
$51.99via Reverb

Shared character: tremolo, modulation

Danelectro Cool Cat Tremolo

Danelectro

57% similarity
$30via Reverb

Shared character: tremolo, modulation, overdrive

Lovepedal Babyface tremolo

Lovepedal

56% similarity
$79.99via Reverb

Shared character: tremolo, modulation, overdrive

Boutique & premium upgrades

Carl Martin TremO'vibe

Carl Martin

65% similarity
$380via Reverb

Shared character: vibrato, tremolo, modulation

Universal Audio Astra Modulation Machine

Universal Audio

57% similarity
$229via Reverb

Shared character: vibrato, tremolo, modulation

Cusack Music Tap A Whirl V2

Cusack Music

57% similarity
$249via Reverb

Shared character: tremolo, modulation, overdrive

Subdecay TremCoder 2

Subdecay

55% similarity
$299via Reverb

Shared character: tremolo, overdrive

Subdecay Siren Pitch Vibrato

Subdecay

90% similarity
$375via Reverb

similar tone character

Similar charactersee all similar tone character →

Electro-Harmonix Mod Rex

Electro-Harmonix

68% similarity
$159.28via Reverb

Shared character: vibrato, tremolo, modulation

Source Audio Vertigo

Source Audio

66% similarity

Shared character: vibrato, tremolo, modulation

KHART EFFECTS Tachpulse Tremolo

Khart Effects

61% similarity

Shared character: tremolo, modulation, overdrive

Electro-Harmonix Worm

Electro-Harmonix

59% similarity

Shared character: vibrato, tremolo, modulation

Dreadbox Treminator

Dreadbox

58% similarity
$186.30via Reverb

Shared character: tremolo, modulation, overdrive

Rocktron Pulse Tremolo

Rocktron

56% similarity

Shared character: tremolo, overdrive

See all alternatives to the Henretta Engineering H-Bomb Trembrato (cheaper + boutique) →

Questions people ask

What are good alternatives to the Henretta Engineering H-Bomb Trembrato?+

The closest matches in character are the Electro-Harmonix Mod Rex, the Source Audio Vertigo, the KHART EFFECTS Tachpulse Tremolo. Budget picks: Marshall VT-1, Modtone Harmonic Tremor Pulsating Tremolo, Movall Music MP-317 Phoenix wings Tremolo. Boutique upgrades: Carl Martin TremO'vibe, Universal Audio Astra Modulation Machine, Cusack Music Tap A Whirl V2.

What pairs well with the Henretta Engineering H-Bomb Trembrato?+

Strong matches from rig and tone-complementarity evidence: Fender Twin Reverb Head, Fulltone OCD, J. Rockett Archer — Fender Twin Reverb Head's own dynamic character is the real reason this is worth trying.

How much does the Henretta Engineering H-Bomb Trembrato cost?+

Around $155 (live listing price, updated Oct 25, 2026).

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