Presenting the Keeley HYDRA Stereo Reverb & Tremolo Pedal.

The new HYDRA is a high fidelity and true stereo Reverb and Tremolo. Designed to be the perfect end in the chain for ANY pedalboard, regardless of genre. Save up to 3 presets and dive deep into the HYDRA’s potential using their Alt Control feature. The Hydra features on-board or remote tap-tempo, you can swap the order of the Tremolo and Reverb, expression pedal control, Infinite Hold Reverb trails and so much more!

The HYDRA is designed add space and dimension to your guitar, bass, or keyboard signal. After the team at Keeley completed the ECCOS, they wanted to craft the perfect companion pedal, the tone of which had to make it impossible to want to turn it off.....

Bathe your sound in Spring, Plate or Room Reverb, then add tap-tempo enabled Harmonic, Vibrato, or Sine Wave Tremolo with the press of a button. You can easily change the order of effects or the character of the Tremolo or Reverb with the HYDRA’s smart Alt Controls. You can even create an Infinite Hold Reverb Trail.

Save up to three presets with ease using our intuitive save feature. Engage Reverb Trails on the fly, no more internal dip switches. The Hydra can also be used with pro remote switching systems and offers both TRS Expression Pedal and External Tap-Tempo inputs.

Stereo high-fidelity Reverb and Tremolo effect pedal
Dreamy and accurate sounding Spring, Plate, and Room Reverbs
Vintage-voiced Harmonic, Vibrato, and Sine Tremolo
3 Preset locations
On board or Remote Tap-Tempo
Smart Alt Controls for Shimmer, Spring Age, Room/Hall Size
Infinite Hold for Reverb trails
Expression pedal can be assigned to any knob
Effect Order, Reverb or Tremolo first, switchable on the fly
True-Bypass or Trails switchable on the fly
9 Volt DC, 146mA ultra low-current design
Made in Edmond, USA