STÄFA, Switzerland--(BUSINESS WIRE)--By launching Sona, the Sonova Group is introducing a novel business concept combining a specialized product portfolio with easy fitting and simplified logistic processes, which are unique in the industry. The new brand broadens the portfolio of the established hearing solutions of Phonak and Unitron and is aimed at the market segment for mild-to-moderate hearing loss. It features mainly the integrated service concept providing audiologists with new opportunities to make their hearing solutions more accessible to consumers.