Pre-Owned Keeley Hydra


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Keeley Hydra Stereo Reverb & Tremolo


Discover the ultimate in tonal enhancement with the Keeley HYDRA Stereo Reverb & Tremolo pedal. Crafted for musicians of all genres, this versatile pedal is designed to be the perfect finishing touch to any pedalboard. With its high-fidelity reverb and tremolo effects, the HYDRA elevates your guitar, bass, or keyboard signal, adding depth and dimension that's impossible to ignore.

Endless Tonal Possibilities

The HYDRA offers a range of effects to suit your creative needs. Immerse your sound in Spring, Plate, or Room Reverb, then seamlessly add tap-tempo enabled Harmonic, Vibrato, or Sine Wave Tremolo with the press of a button. You have the power to change the order of effects or tweak the character of the Tremolo or Reverb using the HYDRA's intuitive Alt Controls. Create captivating soundscapes with ease, including Infinite Hold Reverb trails.

Smart and Flexible

With the ability to save up to three presets, the HYDRA ensures you can recall your favorite sounds effortlessly. Engage Reverb Trails on the fly without dealing with internal dip switches. This pedal is designed to work seamlessly with pro remote switching systems and provides TRS Expression Pedal and External Tap-Tempo inputs. The Keeley HYDRA is the ultimate end-of-pedalboard solution, offering unparalleled processing power in a pedalboard-friendly enclosure. Explore the depths of your creativity with the HYDRA Stereo Reverb & Tremolo.


  • Stereo high-fidelity Reverb and Tremolo effect pedal
  • Spring, Plate, and Room Reverbs
  • Harmonic, Vibrato, and Sine Tremolo
  • 3 Preset locations
  • Onboard or Remote Tap-Tempo
  • Smart Alt Controls for sound customization
  • Infinite Hold for Reverb trails
  • Expression pedal assignable to any knob
  • Effect Order switchable on the fly
  • True-Bypass or Trails switchable on the fly
  • 9 Volt DC, 146mA ultra-low current design
  • Made in Edmond, USA

This pedal works nicely as intended and is in very good condition, exhibiting only light external wear and has had velcro applied to the bottom as can be seen in photos. 

*** This item is at Five Star Guitars on consignment. As a result, all sales are final***

*This item ships fully insured with signature required*

Type: Effects