Short answer: the Tin HiFi Huo. It ranks #253 of 1291 in-ear headphones by sound quality, rated 4.2/5, at $25; the Tanchjim Bunny ranks #312, rated 4.1/5, at $23.99. With prices this close, go by the sound-quality ranking rather than the cost.
What the Tin HiFi Huo does well: The median of 8 hobbyist measurements gives it a very good Harman preference score of 77 with a 1.66 dB spread, and its mids sit within about 0.6 dB of target, so vocals and instruments sound natural. Watch for: A 5.7 dB peak near 8.4 kHz can make cymbals and sibilance sound sharp.
What the Tanchjim Bunny does well: A very affordable single dynamic in-ear with a built in microphone that reaches a preference score of 75 in squig.link hobbyist measurements. Watch for: Sub-bass falls about 2.5 dB below target and is down 3.2 dB at 30 Hz, so the deepest synth notes have less rumble than the mid bass suggests.
Buy the Tin HiFi Huo. It is rated higher for sound quality, and the $1.01 you would save on the Tanchjim Bunny does not close the gap.
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The median of 8 hobbyist measurements gives it a very good Harman preference score of 77 with a 1.66 dB spread, and its mids sit within about 0.6 dB of target, so vocals and instruments sound natural.
Amazon $25.00 eBay
A very affordable single dynamic in-ear with a built in microphone that reaches a preference score of 75 in squig.link hobbyist measurements.
Amazon $23.99 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
| Tin HiFi Huo | Tanchjim Bunny | |
|---|---|---|
| Price | $25.00 | $23.99 |
| Ranked | #253 of 1291 in In-Ear Headphones | #312 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 77 (median of 8 squig.link measurements, calibrated to AutoEQ) | 75 (median of 18 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.66 dB standard deviation | 1.98 dB standard deviation |
| Tonal Tilt | -0.31 (negative is warmer, positive brighter) | -0.05 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.3 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature) | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x balanced armature | 1 x dynamic |
| Impedance | 20 ohms | 30 ohms |
| Sensitivity | 108 dB | 123 dB/Vrms |
| Frequency Response | - | 8Hz - 48kHz (Manufacturer specified) |
| Built-in Microphone | - | Yes |
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 Tin HiFi Huo from audioamigo, csi-zone, faxepremium, fernandagunsan, hbb, kuping-sensi, superreview and tonedeafmonk; the Tanchjim Bunny from aftersound, atechreviews, audioamigo, banzai1122, boizoff, csi-zone, digaoreviews, eplv, fernandagunsan, jaytiss, lumerion, samreviews, soundignity, superreview, therollo9, tonedeafmonk, treblewellxtended and vortexreviews, all via squig.link.
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