Our Values
Made with Passion
Made with Love in our Workshop, in Nantes,FR
D.I.Y
We encourage and helps D.I.Y-ers
Wordwide Fast Shipping
We ship around the world with no minimum !
Top Customer Service
Fast answers, free product return !
100% Stereo, Analog and customizable !
This new generation of audio units will enable you to enjoy a new experience where every unit can be customized and modified to have what YOU need !
What our customers says

"I've been using their sound effect since many years now and all i can say is it's quality works, this brand is in constant research and development in order to provide the best equipment for sound system, used and approved by Blackboard Jungle sound system"

"Yes this is mark from iration steppas !yes we use Klementz efx box & this is one of the new generations of Electronics builders & we recommend this french men as good new technicians for our soundsystem future for all .👍"

"I have a 4-band stereo parametric filter with gain/freq/Q per band developped and built by Klem. Nothing to say about the audio qualities of the product. It's perfect to seek the frequencies and add the sound system touch to our new setup without denaturing the music"
We ship worldwide
News
Electronic Repair Service
We just started a new electronic repair service. We can help you to keep your equipment longer by servicing it. Components Upgrade, ...
Read more→Stereo Reggae / Dub Preamp
Building Dub Equipments, Preamps, Preamplifiers, Dub Sirens, and custom sound effect and sound mixing units since many years, we’ve now design a ...
Read more→How and why using and effect loop (Send / Return) ?
How to use the effect send and return functionality and get the full potential out of your effect machines ? The “Effect ...
Read more→Full Modular Preamp – Setup 9
This article is an example. Read the other articles about our Modular Products. Another recently shipped modular audio unit ! It is ...
Read more→Custom MIDI Controller 16×6
We’ve recently built this custom MIDI Controller for Weeding Dub , USB MIDI PC/MAC Compatible, it features 6 rows of 16 pots, ...
Read more→