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

Superbooth 19 Impressions
Superbooth19 Impressions

The Superbooth in Berlin was a great time for us, and we made a short video to capture the atmosphere of the event. Read more

The First C15 in Africa

Ibou Mbaye, a high-class keyboard player from Senegal visited us, tested the C15, and took one unit to Dakar. Read more

C15 Dark
C15 in Dark Varnish

At Musikmesse we showed a version of the C15 in dark varnished wood. The visitors' reaction was very positive. Read more


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.