Features Electret Electrostatic Driver Dynamic Driver Balanced ArmatureWhile KZ ZEX is equipped with electret electrostatic and dynamic driver for ZEX Pro we have added one more 30095 balanced armature for high frequency to better present stereo sound The low voltage electrostatic driver is far more stable and superior than those of the same specification Three different types of drivers are fully integrated and supplemented by precise tuning that instantly blooms the sound of natureZinc Alloy Faceplate Translucent Resin ShellIn line with the previous aesthetics KZ ZEX Pro goes with the aviation grade zinc alloy faceplate matching with imported skin friendly resin cavity The mixed material of metal and resin delivers a delicate stylish in ear monitor for every generationProfessional Detachable Recessed 2Pin Silver plated Flat CableSilver plated layer enhances hi res performance to be better reduce the loss during transmission the new type double line parallel cable has lower impedance effectively prevents winding and reduces pulling so it is more durable and has a longer usage life The standard 0 75mm gold plated pins are compatible with a variety of 2pin standard upgrade cables Ergonomic Shape for Comfortable WearingWe understand wearing comfort is one of the biggest concert for most in ear earphones thus we have paid high attention to this to present you a comfortable secure fit and noise isolation earphone while it also possesses astonishing industrial design