The Carl Martin Hydra boost is a Carl Martin boost pedal, currently around $115.50. Close alternatives include the Black Arts Toneworks -Skyboost and the Frost Giant Electronics Yama. It pairs well with the Mesa Boogie Mark I and the Laney GH100L.
Carl Martin Hydra boost
Carl Martin · pedal
The Carl Martin Hydra Boost is a clean boost pedal providing up to 15dB of ultra-clean gain amplification designed to add level to any guitar tone without coloring the fundamental character. A single control adjusts boost level across the full range. Suitable for any playing style from jazz and country to modern high-gain where an efficient, transparent volume increase is needed for solos or signal level management. Made in Denmark by Carl Martin.
What stands out
“The Carl Martin Hydra Boost is a clean boost pedal providing up to 15dB of ultra-clean gain amplification designed to add level to any guitar tone”
— from the listing
“The 15dB ceiling is ample for most solo boost applications but may be insufficient for extreme signal restoration needs where more boost is required”
— from the community notes
“Suitable for any playing style from jazz and country to modern high-gain where an efficient, transparent volume increase is needed for solos or signal level management”
— from the listing
“Single-control ultra-clean boost providing up to 15dB of transparent gain amplification, designed to add level to any signal”
— from the community notes
“The 15dB gain range covers typical solo boost requirements and amp-push applications”
— from the reviews
Trade-offs
“Functions identically with clean tones, overdriven signals, and high-gain distortion”
— from the community notes
“Into a tube amp the clean boost naturally adds more input stage saturation, which is the intended effect for players using it as an amp-drive”
— from the reviews
- clean boost
- boost
- jazz
- country
- transparent
- clean
- stage
- frequency response
Price updated Oct 23, 2026
Genres the Carl Martin Hydra boost is commonly used in
- Jazz
- Country
- Blues
cited
Inferred from shared tonal signals, not a stated genre tag. - Indie Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag. - Rock
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Carl Martin Hydra boost
Mesa Boogie Mark I
Mesa Boogie
20% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)
Into a transparent tone, Mesa Boogie Mark I brings a pull toward mid-forward that's missing
Comes later in the signal chain
Laney GH100L
Laney
20% matchInto a transparent tone, Laney GH100L brings a pull toward low gain that's missing
Comes later in the signal chain
Synergy SL2 Module
Synergy
tonal matchComes later in the signal chain
Synergy SL2 Module leans this transparent tone toward high gain, which it doesn't make on its own
Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt
Mesa Boogie
tonal matchComes later in the signal chain
Into a transparent tone, Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt brings a pull toward high gain that's missing
Egnater Tweaker 88 Head
Egnater
tonal matchComes later in the signal chain
Into a transparent tone, Egnater Tweaker 88 Head brings a pull toward low gain that's missing
Ceriatone 2202H
Ceriatone
tonal matchComes later in the signal chain
Ceriatone 2202H leans this transparent tone toward high gain, which it doesn't make on its own
Carol-Ann OD-2R
Carol Ann
tonal matchComes later in the signal chain
Into a transparent tone, Carol-Ann OD-2R brings a pull toward medium gain that's missing
Marshall Studio JCM900 SN20H
Marshall
tonal matchComes later in the signal chain
Into a transparent tone, Marshall Studio JCM900 SN20H brings a pull toward high gain that's missing
Pedals that stack with the Carl Martin Hydra boost
Soldano SLO
Soldano
19% matchSoldano SLO leans this transparent tone toward high gain, which it doesn't make on its own
Comes later in the signal chain
EarthQuaker Devices Hizumitas
EarthQuaker Devices
18% matchInto a transparent tone, EarthQuaker Devices Hizumitas brings a pull toward high gain that's missing
Comes later in the signal chain
EarthQuaker Devices Grand Orbiter
EarthQuaker Devices
16% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run EarthQuaker Devices Grand Orbiter after Carl Martin Hydra boost in the signal chain, clear of Carl Martin Hydra boost's own gain stage
Comes later in the signal chain
Vox Valvenergy Silk Drive
Vox
13% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.
What Vox Valvenergy Silk Drive brings here leans toward smooth — that's worth building a pairing around
Comes earlier in the signal chain
Alexander Pedals Now We Are Ghosts Reverb
Alexander Pedals
9% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Alexander Pedals Now We Are Ghosts Reverb after Carl Martin Hydra boost in the signal chain, clear of Carl Martin Hydra boost's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Eventide Modulated Delay
Eventide
8% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Carl Martin Hydra boost's clean boost voice out front: Eventide Modulated Delay goes after Carl Martin Hydra boost in the signal chain so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Dr. Scientist Frazz Dazzler V2
Dr Scientist
tonal matchComes later in the signal chain
Dr. Scientist Frazz Dazzler V2 leans this transparent tone toward fuzzy, which it doesn't make on its own
Donner Big Mouth Distortion
Donner
tonal matchComes later in the signal chain
Donner Big Mouth Distortion leans this transparent tone toward high gain, which it doesn't make on its own
Cheaper alternatives
Demon FX Full BB Preamp
Demon Fx
55% similarityShared character: boost, transparent, full
Xotic BB Preamp
Xotic
54% similarityShared character: wide range, boost, full
TC Electronic Spark Booster
TC Electronic
54% similarityShared character: boost
Cusack Music Louder
Cusack Music
54% similarityShared character: boost, transparent, clean
MXR Micro Amp
MXR
53% similarityShared character: signal, boost, presence
Fender Engager Boost
Fender
53% similarityShared character: boost, transparent, clean
Boutique & premium upgrades
Xotic RC Booster
Xotic
62% similarityShared character: boost, transparent, clean
Warm Audio Dirty Boy Jr. Booster
Warm Audio
59% similarityShared character: wide range, boost, transparent
Bogner Wessex V2
Bogner
58% similarityShared character: wide range, boost, presence
Catalinbread Blood Donor
Catalinbread
54% similarityShared character: boost, transparent, clean
EarthQuaker Devices Tone Job V2
EarthQuaker Devices
94% similaritysimilar tone character
Friedman Buxom Boost
Friedman
93% similaritysimilar tone character
Similar charactersee all similar tone character →
Black Arts Toneworks -Skyboost
Black Arts Toneworks
64% similarityShared character: wide range, boost, presence
Frost Giant Electronics Yama
Frost Giant Electronics
61% similarityShared character: wide range, signal, boost
Behringer PB100 Preamp Booster
Behringer
59% similarityShared character: jazz, boost, presence
Catalinbread Sidearm
Catalinbread
59% similarityShared character: boost, presence, transparent
IK Multimedia Z-Tone Buffer Boost
Ik Multimedia
56% similarityShared character: boost, clean
Carl Martin Boost Kick
Carl Martin
56% similarityShared character: boost, transparent, stage
See all alternatives to the Carl Martin Hydra boost (cheaper + boutique) →
Questions people ask
What are good alternatives to the Carl Martin Hydra boost?+
The closest matches in character are the Black Arts Toneworks -Skyboost, the Frost Giant Electronics Yama, the Behringer PB100 Preamp Booster. Budget picks: Demon FX Full BB Preamp, Xotic BB Preamp, TC Electronic Spark Booster. Boutique upgrades: Xotic RC Booster, Warm Audio Dirty Boy Jr. Booster, Bogner Wessex V2.
What pairs well with the Carl Martin Hydra boost?+
Strong matches from rig and tone-complementarity evidence: Mesa Boogie Mark I, Laney GH100L, Synergy SL2 Module — Into a transparent tone, Mesa Boogie Mark I brings a pull toward mid-forward that's missing.
How much does the Carl Martin Hydra boost cost?+
Around $115.50 (live listing price, updated Oct 23, 2026).