Tech Topic: Extended Wear Hearing Aids | March 2014 Hearing Review By Mark J. Sanford, MS, Tamara Anderson, and Christine Sanford The InSound Medical Lyric hearing device (now owned by Sonova and sold under the Phonak brand since January 2010) was developed over the past 12 years in Newark, Calif, and was offered commercially for the … Continue reading Lyric-The Extended-Wear Hearing Device