Short answer: the KZ ZS10 Pro 2. It ranks #338 of 450 in-ear headphones by sound quality, rated 3.7/5, at $52.24. The KZ ZS10 Pro ranks #343, rated 3.6/5, at $44.99, $7.25 cheaper, not enough of a saving to outweigh the sound-quality gap.
Why pick the KZ ZS10 Pro: One dynamic driver and four balanced armatures per side earn a preference score of 69 in crinacle’s measurement, good for the price. The tradeoff: Across 20 hobbyist measurements on squig.link a 6.6 dB peak near 11.3 kHz can make cymbals sound sizzly, while a 4.3 dB dip at 6.3 kHz takes some bite off sibilants and snares.
Buy the KZ ZS10 Pro 2. It is rated higher for sound quality, and saving $7.25 with the KZ ZS10 Pro does not make up for the sound-quality gap.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| KZ ZS10 Pro | KZ ZS10 Pro 2 | |
|---|---|---|
| Price | $44.99 | $52.24 |
| Ranked | #343 of 450 in In-Ear Headphones | #338 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Harman Preference Score | 69 (measured by crinacle, via AutoEQ) | 70 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.44 dB standard deviation | 2.13 dB standard deviation |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) | +0.80 (negative is warmer, positive brighter) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x dynamic + 4 x balanced armature | 1 x 10mm dynamic + 4 x balanced armature |
| Impedance | 24 ohms | - |
| Sensitivity | 111 dB | 108 dB |
| Frequency Response | 7Hz - 40kHz (Manufacturer specified) | 20Hz - 40kHz (Manufacturer specified) |
| Back | Closed | Closed |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-3.9 dB at 30 Hz) |
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Prices on this page were last checked October 10, 2026 at 5:37 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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The Two Headphones In Full
KZ ZS10 Pro: $44.99 Amazon eBay
Pros: One dynamic driver and four balanced armatures per side earn a preference score of 69 in crinacle’s measurement, good for the price. Sub-bass is right on target down to 30 Hz with bass about 3 dB above, so electronic and hip-hop tracks get solid punch and rumble. At 24 ohms and 111 dB sensitivity it plays loud from a phone.
Cons: Across 20 hobbyist measurements on squig.link a 6.6 dB peak near 11.3 kHz can make cymbals sound sizzly, while a 4.3 dB dip at 6.3 kHz takes some bite off sibilants and snares. The CCA C12 and CCA C10 are both rated higher at a similar price.
Full KZ ZS10 Pro review and specifications →
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 2.44 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x dynamic + 4 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 7Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 69 (measured by crinacle, via AutoEQ) |
| Impedance | 24 ohms |
| Sensitivity | 111 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.2 dB at 30 Hz) |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -5.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +1.1 dB | 0.70 |
| Peak | 164 Hz | -3.7 dB | 0.62 |
| Peak | 772 Hz | +3.3 dB | 1.02 |
| Peak | 2,169 Hz | -4.3 dB | 2.52 |
| Peak | 3,267 Hz | +3.7 dB | 2.93 |
| High shelf | 10,000 Hz | +0.9 dB | 0.70 |
| Peak | 6,415 Hz | +4.7 dB | 3.96 |
| Peak | 4,521 Hz | -3.6 dB | 6.00 |
| Peak | 8,356 Hz | +1.6 dB | 4.13 |
| Peak | 4,784 Hz | +0.6 dB | 5.93 |
- Reviews, Comparisons and Sound Samples
KZ ZS10 Pro 2: $52.24 Amazon eBay
Full KZ ZS10 Pro 2 review and specifications →
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 2.13 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x 10mm dynamic + 4 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 70 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Sensitivity | 108 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.9 dB at 30 Hz) |
| Tonal Tilt | +0.80 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples