Key Features：

1. Professional Acoustics Redefined – Elevated Sound to New Heights – Hybrid DD+BA driver architecture redefines your listening experience. Dual flagship drivers deliver a breakthrough in transient response and resolution – reproducing every authentic detail with satisfying standards for sound quality.

2. Upgraded High-Performance Super-Linear Dynamic Driver – Deeper Bass & Fuller Body – Specially tuned for pure low frequencies. Lower distortion and stronger control with precise, impactful bass extension. Full-bodied impact with weight, resonant bass that is punchy yet never overwhelming – solid foundation for the soundstage.

3. Custom 30019 High-Frequency Balanced Armature – Transparent & Delicate Highs – Offers exceptional resolution and treble extension. Restores rich details and clear vocals for a cleaner, more delicate, lifelike sound – precisely captures subtle details such as instrument overtones and vocal breathing.

4. Dual-Driver Synergy – Unlock a Golden Full-Range Sound – Seamless cooperation between the super-linear internal-magnet dynamic driver and 30019 high-frequency BA. Achieves balanced full-range audio performance – dynamic driver handles deep, powerful bass with solid drums and cymbals; BA focuses on mids and highs with outstanding resolution. Rich layers without overlapping instruments.

5. Wide Soundstage Design – Dual Expansion in Width & Depth – Tuned meticulously by the KZ acoustic team over months. Electronic crossover with precise frequency division, allowing each driver to perform their roles without overlapping. Optimized physical acoustic structure creates a wide, deep stereo soundstage – immersive live-concert experience.

6. Two Classic Color Options – Stylish & Premium – Choose from Classic Black or Elegant Silver. Colors suit minimalist aesthetics and practical crafting, making the earphone not only a listening tool but also a trendy daily accessory – clean and premium, luxurious yet low-key.

7. Bluetooth Module Compatible – Wired HiFi Becomes Wireless Instantly – Supports flexible upgrades. Ditch cables without replacing the entire unit, balancing convenience and sound quality. Retains the delicate transparency of wired earphones – enjoy authentic high-fidelity music freely.

8. High-Purity Twin Parallel Silver-Plated Wire – Zero-Loss & High-Efficiency Transmission – More efficient conductivity and lower signal loss, effectively reducing transmission distortion. More transparent, clean sound with enhanced details. Flexible and kink-resistant – great aesthetics with practicality.

9. DSP Gaming & Hi-Fi Sound Card – Clear Positioning & Crystal-Clear Vocals – ZST PRO X Type-C with built-in Hi-Fi DSP gaming sound card. Upgraded audio resolution vs regular virtual surround cards – crisp positioning, clear sound imaging, and wider dynamic range. Rich textured music playback + accurate FPS sound tracking – perfect for gaming and multimedia.

10. 4 EQ Modes – Tailored to Your Needs – Music Mode (balanced frequency response for most music styles), Standard Gaming Mode (enhanced positioning and layered details), Immersive Gaming Mode (gunfire boosted + footsteps amplifier), Bass Boost Mode (punchy bass with crisp, powerful details).

11. Dual-Microphone Array Pickup – Precise Human Voice Pickup – Dual high-performance omnidirectional condenser mics accurately capture every vocal detail. Built-in intelligent noise reduction algorithm effectively filters out ambient noise and background interference. Smart in-line control: short press for play/pause or answer/hang up, long press to reject, press twice for next song, press 3 times for last song.

12. Product Information – Model: ZST PRO X, Frequency: 20-40000Hz, Plug Type: Type-C, Pin Type: 0.78mm, Cable Length: 120±5cm, Impedance: 40Ω, Sensitivity: 110dB, Cable: Silver-Plated, Wearing Type: In-ear.

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