Planar drivers are known for their extension—that is, how high they can play frequencies. The Kansai 15 offers excellent treble extension, providing "air" and sparkle to cymbals and string instruments. However, sensitive listeners should note that budget Planars can sometimes have peaks in the upper treble that might sound sharp on certain tracks.
: This likely refers to a revised 2015 formulation or a "New" series launch for a specific application—such as flip-flop (color-shifting) paints k93n kansai 15 new