Detail 01
Up to three presets
Three reverb-and-tremolo setups can be saved for recall.
Product detailSKU #1500000393121
KeeleyHydra Stereo Reverb & Tremolo Effects Pedal Cosmos
dynamicambientpost rockshoegaze
1/2
Independent shopping perspective
The Korena take
Hydra combines stereo reverb and tremolo for guitar, bass, or keyboard signal paths. Choose Spring, Plate, or Room reverb, then pair it with Harmonic, Vibrato, or Sine Wave tremolo; the tremolo supports tap tempo. Alt Controls let you alter effect order and adjust the character of either effect, while Infinite Hold creates a sustained reverb trail. Three preset locations and on-the-fly Trails control make it practical when a set calls for quick changes.
Strong match
Who this is for
- Changing reverb and tremolo combinations quickly during a set with saved preset locations.
- Integrating expression control, external tap tempo, or remote switching into an effects setup.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
TRS Expression Pedal and External Tap Tempo inputs
The pedal accepts separate expression and external tap-tempo control connections.
Final check
Know before you order
- 01Confirm that your control setup uses the pedal's TRS expression or external tap-tempo input where needed.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can I change the order of reverb and tremolo?
Yes. Hydra lets you change the effects order with its Alt Controls.
02Which reverb types are available?
Spring, Plate, and Room reverb modes are available.
03Can Hydra create a sustained reverb sound?
Yes. It includes an Infinite Hold Reverb Trail.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Bridge Type
- Tremolo
1 detailsSize & weight
- Dimensions Wxhxd
- 2.68 inch x 2.28 inch x 4.72 inch
