Once known for its often Frankensteinesque large plastic earpieces, Ultimate Ears has spent the past couple of years designing smaller, sleeker earphones that use comparatively beautiful metals and metallic plastics, and the results have been impressive: the Super.fi 4 and Metro.fi 220 both benefitted from these redesigns. But they also packed only one mini-speaker per ear. Users familiar with these earphones but not q-JAYS will be shocked to find…