The group's principal activities are to design, manufacture and market advanced digital hearing aids for hearing impaired consumers. The group has developed patented digital signal processing (dsp) technologies and embedded them in the smallest single-chip dsp platform. The group's branded products are sold directly to more than 1,700 hearing care professionals in the United States and through a network of distributors throughout Europe, Japan, Australia and Canada. In may 2003, the group acquired sanomed handelsgesellschaft mbh.
