Key Features：

1. 24 Balanced Armature Drivers – 12 Per Side – Features 4×31736 high-frequency/ultra-high-frequency BA array, 2×29689 mid-frequency BA, 2×22955 low-frequency BA, and 1×30019 high-frequency BA per side. The multi-driver balanced armature earphone remains the undisputed king among all kinds of HiFi earphones – redesigned acoustic structure for a true HiFi sound signature.

2. Benchmark-Level Full-Range Balanced Output Performance – Equipped with a 4-position tuning switch allowing precise adjustment of different frequency bands. Users can adjust the sound style to their own preferences – customizable tuning for a personalized listening experience.

3. Professional-Grade Electronic Filter Tuning – Surpasses Traditional Damping – Features a professional-grade filter that surpasses traditional damping-based tuning methods. Allows users to customize both low and high frequencies with precision – more accurate and flexible than physical damping.

4. Why Not Balanced Armatures from Knowles or Sonion? – Most BA drivers from these factories are designed for hearing aids – not well-suited for professional HiFi earphones. KZ's custom BAs are specifically designed and developed based on HiFi standards – ensuring acoustic curves meet the design requirements of professional HiFi earphones.

5. BA Sound Density Far Exceeds Traditional Dynamic Drivers – Unique simple resolution and sound density akin to screen resolution. The inherent compact structure, high magnetic field strength, and higher sound efficiency conversion surpass those of dynamic drivers – denser, more detailed sound.

6. High-Precision 3D-Printed Resin Housing – Resin housing printed by high-precision 3D printing technology creates good conditions for benchmark acoustic structure. 3D-printed cavity with resin embedded cover – precision engineering for optimal sound.

7. Full-Metal Cover – Lightweight & Durable – Lightweight metal cover provides premium protection and sophisticated aesthetics. Metal filter net and memory foam eartips – complete package for immersive listening.

8. 0.75mm Gold-Plated 2-Pin Socket – Replaceable Cable Design – Standard 0.75mm gold-plated socket for stable, lossless connection. Replaceable cable design extends earphone lifespan and offers versatile upgrade options.

9. Four-Stage Tuning Switch – Customizable Sound – 4-position tuning switch with precise adjustment of different frequency bands. Whether you prefer clear vocals, deep bass, or rich chords – easily find your ideal sound signature.

10. Product Information – Model: AS24 Pro, Driver Configuration: 12 BAs per side (24 total), Tuning: 4-position switch, Cavity: DLP 3D-printed resin, Pin Type: 0.75mm, Wearing Type: In-ear.

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