KZ AST earbuds with microphone

Create a professional listening experience
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

High-frequency matrix BA combination
The KZ AST earphone is equipped with a high-frequency matrix BA combination designed and developed independently. Significantly improve high-frequency performance and show various details in the music.

New upgrade of the new generation of BA

First Upgrade
The new 30017s balanced armature combination makes a rapid increase in medium and high frequency.

Second Upgrade
KZ AST uses the new type of balanced armature units 30095s and 30019s. The high frequency is instantaneously improved, showing rich details.

Third Upgrade
KZ AST has a deep optimization of the middle-frequency with the new 29689s balanced armature unit.

Fourth Upgrade
The low-frequency energy of the new 22955s balanced armature unit is equivalent to three ordinary balanced armatures.

Rigorous quality requires the precision of the ear shell to reach ±0.03

Streamlined surface made of zinc alloy
The zinc alloy material is polished by five-axis CNC and polished by professional craftsmen, making the surface cover a streamlined curved surface and full of sense of technology.

Brand: KZ
Product: KZ AST
Sensitivity: 103dB
Impedance: 30Ω
Frequency: 10-40000Hz
Line Length: 125±5cm
Plug Type: 3.5mm
Pin Type: 0.75mm
Unit type:
50024s High-frequency matrix BA,
30019s high-frequency BA,
29689s medium frequency BA,
22955s low-frequency BA,
30095s high-frequency BA,
30017s medium and high frequency BA combination