KZ AST Earbuds with microphone

Say goodbye to the previous generation of traditional BA and adopt the second generation of high-performance BA. High-frequency matrix balanced armature combination. 30019s high-frequency balanced armature. 29689s medium-frequency balanced armature. 22955s low-frequency balanced armature. PC resin shell. Soft silicone earplugs Zinc alloy cover. 30095s high-frequency balanced armature. PCB crossover board. 30017s medium and high frequency balanced armature combination. 3D printed balanced armature sound cavity. Metal nozzle The new 30017s balanced armature combination makes a rapid increase in medium and high frequency. KZ AST uses the new type of balanced armature units 30095s and 30019s. The high frequency is instantaneously improved, showing rich details.