Short answer: the KZ ZS10 Pro. It ranks #689 of 1291 in-ear headphones by sound quality, rated 3.6/5, at $44.99. The Kiwi Ears x B Media Chorus ranks #831, rated 3.5/5, at $39.99, $5 cheaper, a saving that is not big enough to make up the sound-quality gap.
What the KZ ZS10 Pro does well: One dynamic driver and four balanced armatures per side earn a preference score of 69 in crinacle’s measurement, good for the price. Watch for: 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.
What the Kiwi Ears x B Media Chorus does well: A single 10 mm dynamic driver with mid-bass about 3.7 dB above target gives a warm, punchy sound that suits warm and bassy listeners, and bass holds within 6 dB of target down to 20 Hz. Watch for: A Harman preference score of 67.4 in hobbyist measurements points to a colored tuning, with a 4.4 dB dip near 6.1 kHz that dulls instrument edge and a 5.2 dB peak near 8.1 kHz that can make cymbals splashy.
Buy the KZ ZS10 Pro. It is rated higher for sound quality, and saving $5 with the Kiwi Ears x B Media Chorus does not make up for the sound-quality gap.
Looking for alternatives? See the complete Headphones rankings.
One dynamic driver and four balanced armatures per side earn a preference score of 69 in crinacle’s measurement, good for the price.
Amazon $44.99 eBay
A single 10 mm dynamic driver with mid-bass about 3.7 dB above target gives a warm, punchy sound that suits warm and bassy listeners, and bass holds within 6 dB of target down to 20 Hz.
Amazon $39.99 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
| KZ ZS10 Pro | Kiwi Ears x B Media Chorus | |
|---|---|---|
| Price | $44.99 | $39.99 |
| Ranked | #689 of 1291 in In-Ear Headphones | #831 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Harman Preference Score | 69 (measured by crinacle, via AutoEQ) | 67 (median of 11 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.44 dB standard deviation | 2.26 dB standard deviation |
| Tonal Tilt | -0.43 (negative is warmer, positive brighter) | -0.77 (negative is warmer, positive brighter) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature) | Dynamic |
| Drivers | 1 x dynamic + 4 x balanced armature | 1 x 10mm dynamic |
| Impedance | 24 ohms | 32 ohms |
| Sensitivity | 111 dB | 103 dB |
| Frequency Response | 7Hz - 40kHz (Manufacturer specified) | 20Hz - 20kHz (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 (+0.4 dB at 30 Hz) |
| Weight | - | 0 lbs (3.2 g) per earbud |
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 KZ ZS10 Pro from achoreviews, aftersound, breampike, eplv, gadgetrytech, harpo, harutohiroki, ianfann, jacstone, kr0mka, lown-fi, melatonin, musicafe, practiphile, precog, pw, soundignity, superreview, tdl and timmyv; the Kiwi Ears x B Media Chorus from atechreviews, audioamigo, bassaudio, bassyalexander, bedrock, hbb, jaytiss, samreviews, soundcheck39, superreview and tdl, all via squig.link.
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