Short answer: the Hidizs MK10. It ranks #191 of 1291 in-ear headphones by sound quality, rated 4.3/5, at $73.99; the KZ PR3 ranks #298, rated 4.2/5, at $71.99. With prices this close, go by the sound-quality ranking rather than the cost.
What the Hidizs MK10 does well: The median of 4 hobbyist measurements gives it a very good Harman preference score of 78 with a 1.57 dB spread. The catch: An 8 dB peak near 8.2 kHz can make cymbals and sibilance sound sharp.
Why pick the KZ PR3: The median of 11 hobbyist measurements gives it a very good Harman preference score of 76 with a 1.93 dB spread. The catch: A 10.4 dB peak near 10.3 kHz can make cymbals and sibilance sound sharp.
Buy the Hidizs MK10. It is rated higher for sound quality, and saving $2 with the KZ PR3 does not make up for the sound-quality gap.
Still deciding? The full Headphones rankings cover every ranked option.
The median of 4 hobbyist measurements gives it a very good Harman preference score of 78 with a 1.57 dB spread.
Amazon $73.99 eBay
The median of 11 hobbyist measurements gives it a very good Harman preference score of 76 with a 1.93 dB spread.
Amazon $71.99 eBayPrices on this page were last checked October 16, 2026 at 5:46 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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Specifications Side By Side
| Hidizs MK10 | KZ PR3 | |
|---|---|---|
| Price | $73.99 | $71.99 |
| Ranked | #191 of 1291 in In-Ear Headphones | #298 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 4 squig.link measurements, calibrated to AutoEQ) | 76 (median of 11 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.57 dB standard deviation | 1.93 dB standard deviation |
| Tonal Tilt | +0.12 (negative is warmer, positive brighter) | +0.26 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.1 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Planar |
| Drivers | 1 x 10mm dynamic | 1 x 13.2mm planar |
| Impedance | 32 ohms | 15 ohms |
| Sensitivity | 113 dB | - |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | 20Hz - 40kHz |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the Hidizs MK10 from ankramutt, digaoreviews, fahryst and tdl; the KZ PR3 from enemyspider, flare, jaraba, jaytiss, obodio, pw, riz, soundcheck39, tdl, therollo9 and tonedeafmonk, all via squig.link.
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