ComparisonsKZ Castor vs Castor Pro: differences and which to chooseKZ Castor vs Castor Pro: two dynamic drivers and tuning switches in both. What changes in drivers, shell and the Harman and Bass versions.Reviewed 6 Oct 2026
Dynamic driverModel guide
KZ Castor
Everything we have published about the KZ Castor: 1 comparisons and 2 more guides featuring it, who it suits and what to compare it with.
- Drivers
- 2 dynamic per side: 8 mm and 10 mm dual-magnet
- Impedance
- 31–35 Ω (Harman) / 16–20 Ω (bass-boosted)
- Sensitivity
- 105 ± 3 dB (Harman) / 103 ± 3 dB (bass-boosted)
- Earphone connector
- 0.75 mm 2-pin
KZ Castor comparisons
Head to head with the models people most often weigh it against.
ComparisonsKZ Castor vs Castor Pro: differences and which to chooseKZ Castor vs Castor Pro: two dynamic drivers and tuning switches in both. What changes in drivers, shell and the Harman and Bass versions.Reviewed 6 Oct 2026No guides with those filters yet. Try another topic or send us your question.
Guides featuring it
Buying, how-to and concept guides where we recommend or explain it.
Choosing a modelBest KZ earphones under €50The best KZ earphones under €50: budget dynamics and hybrids with a detachable cable. What each offers and which to pick.Reviewed 27 Oct 2026
Setup and useKZ tuning switches: what each position doesWhat the tuning switches on the KZ Zenith, ZS10 Pro 2, Krila, Castor, Castor Pro and D-Fi do, position by position, and how to change them.Reviewed 6 Oct 2026No guides with those filters yet. Try another topic or send us your question.
Compare it with similar models
Same type or a similar price. Tap one to see it side by side with the KZ Castor.
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