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KZ AS24 Pro specifications and in-depth review

KZ AS24 Pro

Manufacturer: KZ Audio

The KZ AS24 Pro is an in-ear monitor built around an all-balanced-armature driver setup, reflecting a clear focus on multi-driver acoustic architecture within a 3D-printed resin shell. The shell construction allows for a reasonably compact and customized internal layout, accommodating the complexity that comes with housing this many drivers in a single earpiece.

At the core of its technical profile, the AS24 Pro runs 12 balanced armature drivers per side, with an impedance rated at 20 Ohms. The cable is silver-plated copper, measures 1.2 meters in length, and connects via a 2-Pin 0.75 mm socket — making it fully detachable and replaceable. The cable terminates in a standard 3.5 mm connector. There is no built-in microphone, inline remote, or included travel case.

Pros
  • The detachable cable allows for straightforward replacement if the cable wears out or if the user prefers a different cable type
  • Silver-plated copper cable material is known for conductivity, which is a notable choice at this driver count
  • A 12 balanced armature driver configuration per side represents a high level of driver density for an in-ear monitor
  • The 3D-printed resin shell enables a precisely shaped internal cavity suited to accommodating the complex multi-driver layout
  • The 2-Pin 0.75 mm connector is a widely used standard, making cable replacement or upgrade relatively accessible
  • At 20 Ohms impedance, the monitor can be driven by most portable devices without the need for a dedicated amplifier
Cons
  • No inline control panel means playback and volume adjustments must be managed directly on the source device
  • The absence of a built-in microphone limits hands-free use for calls or voice input
  • No travel bag is included, leaving the user to source their own protective storage solution
  • With 12 balanced armature drivers per side, the earpiece housing is likely bulkier than simpler single or dual-driver designs, which may affect long-term wearing comfort
Who is this for?

This in-ear monitor is well-suited to dedicated audio listeners who prioritize a high driver count and balanced armature configuration for detailed sound reproduction. The 20 Ohm impedance makes it accessible to those using portable sources without amplification gear, and the detachable 2-Pin cable appeals to users who like to maintain or swap cables over time. The 3D-printed resin shell and multi-driver layout will resonate most with enthusiasts who are comfortable with larger, more complex IEM housings and are focused on acoustic performance above all else.

Who is this NOT for?

Users who need a versatile everyday communication tool will find this monitor limiting, as it lacks both a built-in microphone and an inline control panel, making it impractical for calls or on-the-go media control. The absence of a travel bag also makes it a poor fit for those who frequently carry their gear between locations without dedicated storage. Additionally, users sensitive to bulkier earpiece designs may struggle with comfort during extended sessions, given that housing 12 balanced armature drivers within a single shell inevitably results in a more substantial form factor.

General info:

Driver configuration 12BA
Type of drivers Balanced armature (BA)
Shell material/process 3D-printed resin
has a built-in microphone ✕
travel bag is included ✕
Has an in-line control panel ✕

The KZ AS24 Pro uses a 12-driver balanced armature (BA) configuration, with all drivers of the balanced armature type — an arrangement that prioritizes acoustic precision through dedicated driver units rather than dynamic transducers. The shell is formed through a 3D-printed resin process, which allows for the internal geometry needed to house that many drivers efficiently. This model does not include a built-in microphone, an inline control panel, or a travel bag.

Specifications:

drivers count 12
impedance 20 Ohms

The KZ AS24 Pro is fitted with 12 drivers in total, reflecting a high driver count for an in-ear monitor at this form factor. The unit carries an impedance rating of 20 Ohms, which places it in a range that most standard sources can drive without requiring additional amplification.

Cable:

Connector type 3.5 mm
Pin connector 2-Pin (0.75 mm)
Cable material Silver-plated copper (SPC)
cable length 1.2 m
has a detachable cable ✓

The included cable is made from silver-plated copper (SPC) and runs 1.2 meters in length, terminating in a standard 3.5 mm connector. It attaches to the earpieces via a 2-Pin 0.75 mm socket, and the cable is fully detachable, meaning it can be removed and replaced independently of the earpieces themselves.

Final Verdict

The KZ AS24 Pro is a technically ambitious in-ear monitor that makes its priorities clear from the outset — it is built around a 12 balanced armature driver configuration housed in a 3D-printed resin shell, targeting listeners who place acoustic complexity and driver density at the center of their listening experience. The detachable silver-plated copper cable and widely compatible 20 Ohm impedance add practical value for users who want longevity and source flexibility. That said, the absence of a microphone, inline controls, and included carry case means it is purpose-built for focused listening rather than versatile daily use. For the right listener — one who values a high driver count IEM they can cable-swap and drive from a standard portable source — the AS24 Pro is a coherent and well-specified option within its category.