P-EAR-S products stemmed from enthusiastic acoustical design developers devoted to passionate musicians and audiophiles. P-EAR-S promotes the Swiss Made quality from product to customer service.
We are committed to provide the best sound in the most perfect conditions, not only for improving musicians’ stage performances and saving their hearing, but also for allowing audiophiles to enjoy every single music note.




Your ears and performances deserve the best sound signature.
We believe that the best sound quality is not the result of a large number of drivers but an optimized acoustic design.

Samuel Harsch
Co-Founder / Acoustic Engineer

Samuel has always been passionate about sound. In primary school already, he designed and built various speakers.

From 2005 he woks as an acoustics engineer for a Swiss hearing aids company where he develops a line of universal in-ear monitors and many other acoustical products. He filed 7 patents as inventor or co-inventor.

In 2013, Samuel focus on his own in-ear monitors and other personal projects. He develops speakers and various acoustic elements for a Swiss company, Audio-Performance in Echallens: a waveguide and an adjustable directivity horn for line arrays as well as various filters, small speakers and subwoofers.

Stéphane Rochat
Co-Founder / Electronic Design Engineer

Stéphane wears different hats here at P-EAR-S. He handles all the business stuff like sales, marketing, artist relations and different technical aspects such as electronic & acoustic too.

Stéphane’s been messing with music since his childhood. He started by studying classical guitar followed by jazz guitar in different music schools for many years.

In 2006 he graduated from University of Applied Sciences of Fribourg with a degree in Electronic Engineering. In parallel of his former job, he worked as sound technician during 4 years at Fri-Son Fribourg in order to understand more technical aspects of live music. Since 2011, he is working at Phonak, using his skills in acoustic and electronic engineering. In 2014, he did postgraduate studies in project management for improving his knowledge in business.

Till April 2021 Stéphane brings to P·EAR·S a wealth of experience in the music and an experience of more than 10 years in different R&D departments.

Roberto Piacenti
Associate / Electronic Engineer – Art Designer

Roberto have been for long years a “behind the scene” support for P-EAR-S mainly for the MarCom & all the graphical aspect of the brand.

In 2019 his role has been change and he take part of the adventure in front the scene.


Roberto bring all his passion in this adventure and moreover in the IEMs with his creative eyes.