KZ ZST X: hybrid in-ear monitors with 2 drivers per side
The KZ ZST X are wired hybrid in-ear monitors: each earpiece combines one dynamic driver with one balanced armature. They include a detachable silver-plated 2-pin cable and are available in purple, cyan and black, with or without a microphone.
- 2drivers per earpiece: 10 mm dynamic and an armature
- 12 Ωimpedance
- 107 dBsensitivity
- 2-pindetachable silver-plated cable, 125 cm
Sound
Sound: 1 dynamic driver and 1 balanced armature
Each earpiece houses a 10 mm dual-magnet dynamic driver for the bass and mids and a 30095 balanced armature for the treble.
With an impedance of 12 Ω and a sensitivity of 107 dB, they run straight from a phone, laptop or music player, with no amplifier needed.
Fit
Fit
They are worn with the cable routed behind the ear. Three sizes of silicone ear tips (S, M and L) are included to get the right seal for each ear.
Connection
Detachable cable and microphone version
The silver-plated cable measures about 125 cm.
It attaches to each earpiece with a standard 0.75 mm 2-pin connector, so it can be replaced if damaged or swapped for another cable. The same connector lets you go wireless with a KZ Bluetooth adapter that is compatible.
Also available with an in-line microphone.
KZ ZST X technical specifications
| Drivers | 1 dynamic (10 mm) + 1 balanced armature (30095) per side |
|---|---|
| Impedance | 12 Ω |
| Sensitivity | 107 dB |
| Frequency response | 20 Hz – 40 kHz |
| Earphone connector | 0.75 mm 2-pin |
| Plug | 3.5 mm jack |
| Cable | Detachable, silver-plated |
| Cable length | 125 cm |
| Fitting | Over-ear (cable behind the ear) |
| Microphone | Optional |
| Colors | Purple, cyan and black |
What's in the box
- 1 pair of KZ ZST X earphones
- 1 detachable 2-pin cable
- 3 pairs of silicone ear tips (S, M and L)
- 1 user manual
KZ ZST X frequently asked questions
Do the KZ ZST X have noise cancellation?
They have no active noise cancellation. They are in-ear earphones with silicone ear tips, which passively block outside noise by sealing the ear canal.
Do they work with phones that have no headphone jack?
Yes, with a USB-C or Lightning to 3.5 mm jack adapter, or with a 0.75 mm 2-pin Bluetooth adapter.
Can the cable be replaced?
Yes. The cable is detachable and uses a standard 0.75 mm 2-pin connector.
What warranty do they come with?
3-year warranty against manufacturing defects, handled from Spain.















