Description
KZ AST: Professional In-Ear Monitor for Musicians
24 Unit Top-Level Configuration
Designed to provide an exceptional listening experience for musicians, the KZ AST redefines the range of auditory capabilities with its advanced features.
☑️ 12 Balanced Armature Combination per Side
☑️ 3-Channel Leading Tone Tube
☑️ Silver-Plated Cable
☑️ Electronic Crossover
☑️ Comfortable to Wear
☑️ Pluggable Design
☑️ Passive Noise Reduction
☑️ HD Microphone
☑️ Zinc Alloy Cover

Superior Sound Quality
The KZ AST is equipped with a high-frequency matrix BA combination, significantly enhancing high-frequency performance and revealing various details in the music.
Advanced Balanced Armature Technology
- First Upgrade: New 30017s balanced armature combination for rapid mid and high-frequency enhancement.
- Second Upgrade: New 30095s and 30019s balanced armature units for instant high-frequency improvement.
- Third Upgrade: New 29689s balanced armature unit for deep mid-frequency optimization.
- Fourth Upgrade: New 22955s balanced armature unit for powerful low-frequency energy, equivalent to three ordinary balanced armatures.

Rigorous Quality Standards
The KZ AST features a zinc alloy cover polished by five-axis CNC and professional craftsmen, creating a streamlined and technology-infused appearance. The precision of the ear shell reaches ±0.03 to ensure professional-grade quality.

Ergonomic Design
The KZ AST's contour curve matches the shape of the human ear cochlea, paired with soft silicone earplugs and an ear-hook design for long-term comfort. The smaller size and ergonomic design make it suitable for various wearing scenarios.

Pluggable Design and Superior Cable
The 0.75mm gold-plated pin insert and pull structure allow for practical ways to meet individual needs through cable replacement and upgrades. The 784-core silver-plated cable instantly improves sound quality, and a Bluetooth upgrade cable can convert it into a Bluetooth earphone.

Specifications
- Brand: KZ
- Model: KZ AST
- Sensitivity: 103dB
- Impedance: 30Ω
- Frequency Response: 10-40000Hz
- Line Length: 125±5cm
- Plug Type: 3.5mm
- Pin Type: 0.75mm
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Unit Types:
- 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

Package Contents
- 1x Pair KZ AST Earphones
- 1x Silver-Plated Cable
- 3x Pairs of Silicone Ear Tips (S, M, L)
- 1x User Manual
⚠️ Important notice about extra ear tips: This model may ship without extra ear tips, depending on the production batch. The manufacturer, KZ Earphones, no longer includes additional pairs in newer batches, so the package may contain only the ear tips already fitted on the earphones. If you need extra ear tips, we have them available in our store.




