Keeley DynaTrem Dynamic Tremolo Effect Pedal


Keeley's DynaTrem - capable of everything from that subtle warble to some straight up craziness!

What we think:

Robert Keeley has consistently wow'd us and products like the DynaTrem are prime examples of why. There's 3 modes to switch between that all have their own unique voices and can equally contribute to your sound. Dynamic Rate and Dynamic Depth modes are sweet sounding trem's that really adapt to your playing style and find a way to compliment your sound in the best way possible. The Harmonic Tremolo + Reverb mode is perfect for everything spacious and sweet, with slight hints of choral bliss in the vibe-filled background. Controls that are interactive and a high-quality pedal with high-quality components - what else could we ask for in a Tremolo? Well, Robert Keeley has given us just that, plus a few more features that are sure to leave you satisfied.

Manufacturer Description:

DynaTrem Dynamic Tremolo and Reverb

The DynaTrem Dynamic Tremolo by Keeley Engineering is an all new type of tremolo that is dynamic and responsive to your playing. Your playing controls the Rate and Depth.  The harder you play, the more it responds.  Play softly and it relaxes. Set the sensitivity with Rate or Depth controls and you have an unparalleled ability to be expressive with your guitar and tremolo.

Tone Trio – Three Modes


Dynamic Rate – Your playing strength controls the Rate.  The harder you play, the faster it modulates!  Relax and play softly and the tremolo almost stops.

Dynamic Depth – Play gently and it just barely throbs.  Play aggressively and it and pulse hard and deep.


Harmonic Tremolo + Reverb Mode.  Yes that phaser/vibey, soulful and sweet sound!  We have crafted our own circuits to give you a sound that is sinfully good.  Slippery and smooth, you won’t want to gig without it. Add Reverb by adjusting the SHAPE control

Wave Table

With a spin of the SHAPE control you get 4 waveforms:  Ramp Up, Sine Wave, Ramp Down, and Square Wave. Or, when in Harmonic Tremolo Mode the Shape control is Reverb!

Other Features

Integrated noise reduction – developed with the code to reduce noise swells common with tremolo circuit, you get the quietest effect possible.

Output Volume Control – Can be set for a boost for stand out effect.

True-Bypass – No tone loss when off

Battery Free – Any standard 9 volt, negative tip power supply will work, like a Voodoo Lab Pedal Power II.  60mA or greater.

Keeley Engineered – Decades of audio experience and design.

The DynaTrem Dynamic Tremolo features killer graphics!  Looks like an old tube amp or old tube radio.  Tone to match too!

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