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Green in-ear monitors with zinc-alloy shells, detachable 0.75 mm 2-pin cable, inline microphone

AcousticSheep

AcousticSheep KZ AST 24-unit balanced armature IEM with mic Green

SKU CH-T6B8-83PNC

Twenty-four balanced-armature drivers per pair deliver detailed, natural sound through precision zinc-alloy shells with a detachable 0.75 mm 2-pin cable and inline microphone

  • Product typeHeadphone
  • 24 balanced armature drivers deliver detailed, professional-grade sound
  • 12 drivers per side create rich, smooth high frequencies
  • Zinc alloy shells machined to ±0.03 mm precision
  • Ergonomic shape matches ear anatomy for comfort and noise isolation
  • Detachable 2-pin 0.75 mm cable with inline microphone

Balanced Armature Configuration

The KZ AST uses 24 balanced armature units, with 12 per side in a second-generation high-frequency matrix. This arrangement is designed to improve treble detail while keeping vocals smooth and natural. It targets musicians and audiophiles who want a reference-grade in-ear monitor for critical listening.

Detachable Cable and Fit

A detachable 2-pin 0.75 mm cable lets you replace or upgrade the lead without changing the earpieces. The zinc-alloy shells are machined to a 0.03 mm tolerance and shaped to follow the cochlea curve, providing a secure fit that passively blocks outside noise in stage or studio environments.

Passive Isolation and Efficiency

Balanced armature drivers are inherently efficient, so the AST reaches usable volume from portable sources without added amplification. The sealed ergonomic shell delivers passive noise reduction across mid and high frequencies, keeping the sound focused during monitoring sessions. No active circuitry means there is no battery to charge or self-noise to manage.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $251.99
Pricier than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Product typeHeadphone

Questions about this item

How many balanced armature drivers does each earpiece contain?

Each side houses 12 balanced armature units, giving a total of 24 drivers across the pair.

What is the tolerance of the zinc-alloy shell and does it affect long-term comfort?

The shell is machined to a precision of ±0.03 and shaped to match the ear cochlea, so extended sessions stay comfortable and external noise is passively reduced.

Which cable connector does the detachable lead use?

It uses a 2-pin 0.75 mm connector, so any compatible replacement or upgrade cable with that interface will work.

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