KZ AST

24 Units Top-Level Configuration AST adopts the 2nd generation High-frequency matrix BA combination designed and developed independently. The combination of 12 balanced armature units on one side and detailed acoustic adjustment significantly improves high-frequency performance, makes the human voice rich, soft, and not harsh, and the sound smooth and natural, bring a professional listening experience. Streamlined Surface Made of Zinc Alloy AST owns the precision of the ear shell ±0.03 which reaches the highest rigorous quality standard. 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. Comfortable To Wear & Noise Reduction With a smaller size and ergonomic design, AST is suitable for diversified wearing scenarios. The contour curve of the earphone conforms to the shape of the human ear cochlea, which can also greatly isolate the noise. It i