The Keeley Hydra is a Keeley reverb pedal, currently around $230.51. Close alternatives include the Old Blood Noise Endeavors Sunlight Stereo and the Electronic Audio Experiments Mirror House V2. It pairs well with the Fender Twin Reverb Head and the Xotic RC Booster.
Keeley Hydra
Keeley · pedal
The Keeley Hydra is a dual multi-head delay and shimmer reverb pedal from Keeley Electronics (Edmond, Oklahoma), delivering lush ambient shimmer reverb alongside a configurable multi-head delay in one comprehensive stereo unit. The Hydra provides the complete ambient guitar palette of shimmer, hall reverb, and modulated delay at Keeley Oklahoma boutique quality for ambient and post-rock players.
What stands out
“The Keeley Hydra is a dual multi-head delay and shimmer reverb pedal from Keeley Electronics (Edmond, Oklahoma), delivering lush ambient shimmer reverb alongside a configurable multi-head delay in one comprehensive stereo unit”
— from the listing
“The Hydra provides the complete ambient guitar palette of shimmer, hall reverb, and modulated delay at Keeley Oklahoma boutique quality for ambient and post-rock players”
— from the listing
“The Keeley Hydra delivers dual multi-head delay and shimmer reverb in one stereo unit at Oklahoma Keeley boutique quality for ambient, post-rock, and atmospheric players who want a complete ambient palette from a respected boutique manufact…”
— from the community notes
“Use-case wise it suits ambient and post-rock players who want multi-head delay and shimmer reverb at Keeley quality”
— from the community notes
“Keeley boutique pricing”
— from the reviews
- delay
- shimmer reverb
- ambient
- stereo
- post rock
- lush
- hall reverb
- shimmer
Good for
- Live
- Studio
- Worship
Price updated Oct 24, 2026
Genres the Keeley Hydra is commonly used in
- Ambient
- Electronic
- Post-Rock
- Shoegaze
cited
Inferred from shared tonal signals, not a stated genre tag. - Experimental
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Keeley Hydra
Pedals that stack with the Keeley Hydra
Xotic RC Booster
Xotic
7% matchWhat Xotic RC Booster brings here leans toward transparent — that's worth building a pairing around
Comes earlier in the signal chain
Boss BD-2 Blues Driver
Boss
7% matchBoss BD-2 Blues Driver's own full character is the real reason this is worth trying
Comes earlier in the signal chain
Electro-Harmonix Electric Mistress
Electro-Harmonix
7% matchElectro-Harmonix Electric Mistress's lush voice goes after Keeley Hydra in the signal chain — it's not there to compete with Keeley Hydra's own shimmer character
Comes earlier in the signal chain
Caroline Guitar Company Somersault
Caroline Guitar Company
7% matchKeep Keeley Hydra's shimmer voice out front: Caroline Guitar Company Somersault goes after Keeley Hydra in the signal chain so its modulated voice doesn't muddy it
Comes earlier in the signal chain
Cheaper alternatives
Mooer Shimverb PRO Digital Stereo Reverb
Mooer
61% similarityShared character: stereo, ambient
TC Electronic Hall of Fame 2
TC Electronic
59% similarityShared character: ambient
TC Electronic Fluorescence Shimmer Reverb
TC Electronic
57% similarityShared character: ambient
Mr. Black Supermoon Chrome
Mr Black
57% similarityShared character: ambient
Catalinbread Cloak
Catalinbread
55% similarityShared character: ambient
UA> Heavenly
Universal Audio
54% similarityShared character: ambient
Boutique & premium upgrades
Similar charactersee all similar tone character →
Old Blood Noise Endeavors Sunlight Stereo
Old Blood Noise Endeavors
60% similarityShared character: stereo, ambient
Electronic Audio Experiments Mirror House V2
Electronic Audio Experiments
58% similarityShared character: ambient
NuX Ukiyo
Nux
57% similarityShared character: ambient
Catalinbread Mountain edition Cloak
Catalinbread
57% similarityShared character: ambient
Universal Audio Evermore Delay
Universal Audio
57% similarityShared character: ambient
DigiTech Polara Reverb
Digitech
57% similarityShared character: stereo
See all alternatives to the Keeley Hydra (cheaper + boutique) →
Questions people ask
What are good alternatives to the Keeley Hydra?+
The closest matches in character are the Old Blood Noise Endeavors Sunlight Stereo, the Electronic Audio Experiments Mirror House V2, the NuX Ukiyo. Budget picks: Mooer Shimverb PRO Digital Stereo Reverb, TC Electronic Hall of Fame 2, TC Electronic Fluorescence Shimmer Reverb. Boutique upgrades: Electro-Harmonix Oceans Abyss, Walrus Audio Mako R1 Reverb MkII, Source Audio Ventris.
What pairs well with the Keeley Hydra?+
Strong matches from rig and tone-complementarity evidence: Fender Twin Reverb Head, Xotic RC Booster, Boss BD-2 Blues Driver — What Fender Twin Reverb Head brings here leans toward dynamic — that's worth building a pairing around.
How much does the Keeley Hydra cost?+
Around $230.51 (live listing price, updated Oct 24, 2026).