One of the most important aspects of playing is to feel and perceive every single detail
of your sound perfectly.

The GRBASS as well as a complete line of amplifiers and speakers, and after years of
research and proprietary know-how, has developed a line of professional earphones
designed especially for bass players but suited to the needs of all musicians.

Three models of the universal series will support the custom models, where it will be
possible to obtain customization both in the form and in the choice of the number,
type of driver and response.