The latest generation of super discreet custom hearing aids made from titanium   Love at first sound Virto Marvel hearing aids have exceptional sound quality from the first fit.1 It automatically adapts to every sound environment so there is no need to manually adjust the hearing aids..   Super discreet Virto Titanium is the smallest Phonak hearing aid ever. It is so discreet, that nobody will see how well you hear.   Custom-made from Titanium Virto M-Titanium is custom-made to fit perfectly in your ear. Made from titanium it is incredibly strong, light and durable.