The KZ EDX Pro X ranks #181 out of 996 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: KZ
Prices on this page were last checked October 14, 2026 at 2:38 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#181 KZ EDX Pro X: $15.99 Amazon $15.99 eBay
Pros: A $16 single dynamic IEM that measures among the best budget models (score 78 across six measurements), with a tight 1.51 dB spread from the target and full sub-bass to 20 Hz.
Cons: The light plastic shell and basic cable reflect the price, and KZ’s published impedance and sensitivity figures vary between listings.
| Released | 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.51 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x dynamic |
| Form Factor | In-ear |
| Harman Preference Score | 78 (median of 6 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.0 dB at 30 Hz) |
| Tonal Tilt | -0.33 (negative is warmer, positive brighter) |
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Frequency Response
How the KZ EDX Pro X measures across the audible range, against the Harman in-ear target that most listeners prefer in blind tests. Where the line sits above the target that range sounds louder (more bass, brighter treble), below it quieter. The curve is the median of 6 independent measurements, so one odd sample or rig cannot skew it, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.
Measurement data: median of 6 measurements from the squig.link databases of ankramutt, avishai, lown-fi, musicafe, obodio and tdl. Thanks to each of them for publishing their work.
Head-to-Head Comparisons
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