KZ ZST: hybrid in-ear monitors with 2 drivers per side
The KZ ZST are wired hybrid in-ear monitors: each earpiece combines one dynamic driver with one balanced armature. They include a detachable 2-pin cable and are available in purple and black, with or without a microphone.
- 2drivers per earpiece: dynamic and an armature
- 18 Ωimpedance
- 106 dBsensitivity
- 2-pindetachable cable, 120 cm
Sound
Sound: 1 dynamic driver and 1 balanced armature
Each earpiece houses a dynamic driver for the bass and mids and a balanced armature for the treble.
With an impedance of 18 Ω and a sensitivity of 106 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 cable measures about 120 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 technical specifications
| Drivers | 1 dynamic + 1 balanced armature per side |
|---|---|
| Impedance | 18 Ω |
| Sensitivity | 106 dB |
| Frequency response | 20 Hz – 20 kHz |
| Earphone connector | 0.75 mm 2-pin |
| Plug | 3.5 mm jack |
| Cable | Detachable |
| Cable length | 120 cm |
| Fitting | Over-ear (cable behind the ear) |
| Microphone | Optional |
| Colors | Purple and black |
What's in the box
- 1 pair of KZ ZST earphones
- 1 detachable 2-pin cable
- 3 pairs of silicone ear tips (S, M and L)
- 1 user manual
KZ ZST frequently asked questions
Do the KZ ZST 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.
















