Hearing aids delear in Chennai Phonak Launches Marvel with Universal Binaural Streaming and New Level of Sound Quality Phonak has launched its new Audéo Marvelreceiver-in-the-canal (RIC) hearing aid which brings binaural sound to virtually any form of Bluetooth streaming—IOS, Android, or otherwise—with a unique sound classification technology yielding audio quality that impressed a group of industry experts and hearing aid users last week