Danish hearing aid manufacturer Resound was founded in 1943 as Danavox by Gerd Rosenstand, and the company released its first hearing aid in 1947. Danavox was renamed GN Danavox in 1977 after GN Store Nord acquired the company. Rodney Perkins founded ReSound Corporation in 1984.
In 1992, GN Danavox introduced the first commercially available hearing aid to use digital sound processing. More than a decade later, Resound Air was released in 2003, offering high quality sound without blocking the ear canal. Five years later, the company unveiled the dot model, at the time the world’s smallest hearing aid.
ReSound LINX, the first hearing aid made for iPhone, iPad and iPod, was released in 2014. It can connect directly without the use of a streaming device.