Presentation-wise the SF4 is surprisingly spacious. Though leaning slightly towards a darker tone, the SF is a balanced earphone and carries a moderate amount of air. The soundstage is oblong in shape but at least has good width. Separation is better with the SF4 compared to the older SF3...

The sound is "fine" and "light" and "even", didn't notice glares or bites. Good details, they are there but they don't jump out at you. If you like photography, I'd say the 101 is more "flat lighted", things are evenly illuminated and shown well, but they don't grab your attention; while the...

2 different views, looks more trouble