KZ ESX Special Edition Dynamic Driver HiFi Earphones with Mic Color:Blue KZ has nailed it to

KZ has nailed it to get a horizontally and vertically matched three frequencies

and you're good to go

making the sound more layered and allowing you to clearly feel instrument sounds and vocals

This ensures optimal conductivity and sound transmission

PATENTED DYNAMIC DRIVER - The four-layer voice coil brings a stronger driver

KZ ESX Special Edition Dynamic Driver HiFi Earphones with Mic Color:Blue KZ has nailed it toFeatures 10 YEARS OF AUDIO EXCELLENCE The KZ ESX is the company's special anniversary earphone as it celebrates a decade of success in the audio industry. With this, they combined all their experience in creating an IEM that is excellent inside and out. 12MM CRYSTAL DIAPHRAGM DYNAMIC DRIVERS With the new generation 12mm super dynamic drivers, the KZ ESX provides powerful bass, without compromising the mids and trebles. The sound is detailed and clear,