The C15 is an instrument for the performing musician, designed for playability and detailed sound editing. The embedded digital synthesis engine is based on phase modulation, a comb filter, and a feedback structure giving the C15 a unique character and creating crisp, organic, and complex sounds.
As a dedicated real-time instrument, the C15 provides high-resolution dynamic response and extensive sound design possibilities. The C15 is self-contained with dedicated haptical controls, but it can also be extended with a graphical user interface on any WiFi-enabled device running a browser. Read more


Read more about the GUI on this page

SB 23 Impressions
Photos from Superbooth23

We had a great time at the Superbooth again this year. Many old and new friends came by and... Read more here...

NAMM 2023 Impressions
Impressions from NAMM 2023

In April we were back again in California to show the C15 at the NAMM 2023 in Anaheim. View some photos here...

Synth Engine Update Spring 2023
Spring 2023 Update

As another step in the evolution of the C15 we have just released our third major firmware update. Read more here...


Nonlinear Labs is a small Berlin-based company. In 2012 we started developing digital instruments. The C15 is our first product. It is manufactured in Italy and Germany. In addition to keyboard instruments, we plan to develop percussion synthesizers and other products for performing musicians.
We invest in extensive research, with the aim of achieving high product quality. We also share the results of our work as open-source software and hardware. Read more about Nonlinear Labs and the company's philosophy here.