Short answer: a tie on sound quality. Both are rated 3.8/5 (#567 and #593 of 1291 in-ear headphones) at nearly the same price ($199 vs $199.99), so choose on features and fit.
What the BQEYZ Autumn does well: The median of 11 hobbyist measurements gives it a solid Harman preference score of 71 with a 2.42 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural. The tradeoff: Sub-bass is 4.4 dB short at 30 Hz, so deep bass lacks rumble.
The case for the Erand Resonance 5: A $200 tribrid that measures well (score 71 across thirteen measurements) with bass right on target and full sub-bass, plus swappable 3.5mm and 4.4mm plugs. The tradeoff: Treble sits about 4.0 dB below target, so it can sound smooth and a little dark next to brighter IEMs.
Buy the BQEYZ Autumn or the Erand Resonance 5 on features: they are rated the same for sound quality at close to the same price.
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The median of 11 hobbyist measurements gives it a solid Harman preference score of 71 with a 2.42 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural.
HiFiGo $199.00 eBay
A $200 tribrid that measures well (score 71 across thirteen measurements) with bass right on target and full sub-bass, plus swappable 3.5mm and 4.4mm plugs.
Amazon $199.99 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
| BQEYZ Autumn | Erand Resonance 5 | |
|---|---|---|
| Price | $199.00 | $199.99 |
| Ranked | #567 of 1291 in In-Ear Headphones | #593 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 71 (median of 11 squig.link measurements, calibrated to AutoEQ) | 71 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.42 dB standard deviation | 2.09 dB standard deviation |
| Tonal Tilt | +0.05 (negative is warmer, positive brighter) | -0.69 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-4.4 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-0.1 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Tribrid |
| Drivers | 1 x 13mm dynamic | 2 x dynamic + 2 x balanced armature + 1 x micro planar |
| Impedance | 46 ohms | 20 ohms |
| Sensitivity | 110 dB | 106 dB at 1 kHz |
| Frequency Response | 7Hz - 40kHz (Manufacturer specified) | 10Hz - 35kHz |
| Built-in Microphone | No | - |
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 BQEYZ Autumn from arn, bedrock, bryaudioreviews, fahryst, hbb, ianfann, nymz, precog, rg, riz and superreview; the Erand Resonance 5 from aftersound, atechreviews, audioamigo, bassaudio, fernandagunsan, jaytiss, kuping-sensi, lumerion, practiphile, precog, soundcheck39, superreview and tonedeafmonk, all via squig.link.
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