Chorus, Flanger & Modulation

Vintage Phase Tones – the Keeley approachThe perfect phaser sound is one that helps imitate the human voice, kind of like a wah, but a phaser helps...

What sound fits the coming of a new phase? The sound that fits in my mind is the tone-throbbing swirls of dancing equalizers. Two, four or six sta...

The Keeley Roto Sonic features three Dopple-Swirly-Vibey sounds! It’s a three-mode pedal with custom crafted rotary speaker effects. The three mo...

The Keeley Bubble Tron Dynamic Flanger Phaser and Random Synth Filter has three modes of operation. The Flanger section of the pedal draws on ins...

Synth-1 Reverse Attack Fuzz Wave Generator The Keeley Synth-1 is a guitar-triggered, single-note wave generator.  You control the tone of the wav...

Finally you can get those 80’s vintage rack chorus sounds that define killer chorus sounds.  This was not an easy development.  It is a tough and ...

Keeley’s New Neutrino V2 Envelope Filter! The Keeley Neutrino V2 is an amazingly toneful and compact form of the classic opto-coupler envelope fi...

DynaTrem Dynamic Tremolo and Reverb Easily our most addictive Vibe tone! The DynaTrem Dynamic Tremolo by Keeley Engineering is an all new type o...

We are proud to announce the all new Seafoam Plus Chorus – True Chorus and ADT with Reverb. It will forever change the way you think about chorus...