Bathe your sound in spacious reverbs and rich tremolos!
The HYDRA combines high-fidelity Reverb and Tremolo to add space and dimension to your signal.
Bathe your sound in Spring, Plate or Room Reverb, then add Harmonic, Vibrato, or Sine Wave Tremolo with the press of a button.
You can easily change the order of the 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 the pedal's intuitive save feature.
Engage Reverb Trails on the fly (no more internal dip switches).
The Hydra can be used with pro remote switching systems and offers both TRS Expression Pedal and External Tap-Tempo inputs.
The HYDRA is a complete end-of-pedalboard solution that fits perfectly in any musician’s rig, regardless of genre!
Keeley HYDRA Pedal features:
• 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.
• Power: 9V DC.
• Current Draw: 115mA.
Specs
| Type | Reverb, Tremolo |
| Condition | New |
| Power | 9V DC |
| Current Draw | 115mA |
| Power supply included | No |
| Manufacturer Warranty | 1 year |
| Country of Origin | United States |
FREE SHIPPING
- Free shipping within Canada.
- Free shipping to the USA.
- Free shipping on international orders over 520$.
Visit the Shipping page for more.
Fast Delivery
- Canada : 1 - 2 business days
- USA : 1 - 2 business days
- Rest of the world: 3 - 5 business days.
Hassle-Free Returns
You have 45 days to test your new gear. If you choose to return it, we’ll send a full refund. It’s that simple: no bogus restocking fees or charges.
Visit the Returns page for more.
Frequently Asked Questions
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How can I tell if an item is in stock? +
Each product page shows an availability status.
• In stock items are ready to ship.
• Out of stock items are currently unavailable.
You can enter your email to be notified when an item is back in stock.
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Where are you located? +
We’re based in Blainville, Quebec, Canada.
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When will my order ship? +
Orders placed before 12 PM EST ship the same business day.
Tracking details are sent shortly after purchase.
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How much does shipping cost? +
Most orders ship free to Canada and the US.
International orders ship free on purchases over $520 CAD.
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Which shipping methods do you use? +
Orders ship via UPS Expedited by default.
For faster delivery, you can select UPS Express Saver at checkout.
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How long does shipping take? +
Typical delivery times are:
• Canada: 2–3 business days with UPS Expedited, 1 business day with UPS Express Saver
• USA: 2–3 business days with UPS Expedited, 1 business day with UPS Express Saver
• International: 3–5 business days with UPS Expedited, 2–3 business days with UPS Express Saver
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Which payment methods do you accept? +
We accept all major credit cards and PayPal.
Financing options are available through Klarna and RBC PayPlan.
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Do Canadian customers pay sales tax? +
Yes. Sales tax is applied based on your province of residence:
• Alberta: 5%
• British Columbia: 5%
• Manitoba: 5%
• New Brunswick: 15%
• Newfoundland and Labrador: 15%
• Northwest Territories: 5%
• Nova Scotia: 14%
• Nunavut: 5%
• Ontario: 13%
• Prince Edward Island: 15%
• Quebec: 14.975%
• Saskatchewan: 5%
• Yukon: 5%
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Do USA customers pay import fees? +
Yes. Starting August 29, 2025, all US-bound shipments will be subject to duties, taxes, and brokerage fees.
These charges are determined by US Customs and collected by UPS at delivery.
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Do international customers pay import fees? +
Yes. International shipments may be subject to duties and taxes.
These charges are set by the destination country’s customs authority and collected by UPS at delivery.