About Us — Our Story

Keyztone is a French brand of effects pedals for electric guitar, born in Nîmes. Our passion: developing pedals 100% analog Using exclusive patents, to unlock the full potential of your instrument. No one else offers the same pedals as Keyztone.

Scientists, and musicians

We are engineers specializing in analog audio processing and electromagnetic physics — and musicians. It took several years of research to achieve an apparent simplicity: transforming the sound of your pickups, without changing anything on the guitar.

«"Do much more with what you already have"»

That's our guiding principle.’EXchanger Pro It reshapes the frequency response of your pickups and makes a single guitar sound like several. Wow! It attaches to your own wah pedal and transforms it into a wah workshop. Two unique objects, designed and hand-assembled in France.

Made in France

Design, manufacturing, assembly and testing: everything is done in France, for controlled quality and a requirement for durability (warranty, repairability, direct support).