Short answer: the DUNU Titan X. Both are rated 3.8/5 for sound quality (#548 and #614 of 1291 in-ear headphones), and the DUNU Titan X costs $44.99 against $49.99 for the BQEYZ NI, so with nothing between them on sound quality, price settles it.
Why pick the BQEYZ NI: A broadly balanced tuning with a preference score of 71 against the Harman target. The tradeoff: Treble about 3 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones.
What the DUNU Titan X does well: The median of 25 hobbyist measurements gives it a solid Harman preference score of 72 with a 2.00 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural. The catch: A 4.5 dB peak near 10.9 kHz can make cymbals and sibilance sound sharp.
Buy the DUNU Titan X. Both are rated the same for sound quality, and it costs $5 less than the BQEYZ NI.
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A broadly balanced tuning with a preference score of 71 against the Harman target.
Amazon $49.99 eBay
The median of 25 hobbyist measurements gives it a solid Harman preference score of 72 with a 2.00 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural.
Amazon $44.99 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 NI | DUNU Titan X | |
|---|---|---|
| Price | $49.99 | $44.99 |
| Ranked | #614 of 1291 in In-Ear Headphones | #548 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 71 (median of 7 squig.link measurements, calibrated to AutoEQ) | 72 (median of 25 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.38 dB standard deviation | 2.00 dB standard deviation |
| Tonal Tilt | -0.14 (negative is warmer, positive brighter) | -0.63 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.8 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.6 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 10mm dynamic | 1 x 10mm dynamic |
| Impedance | - | 16 ohms |
| Sensitivity | - | 123 dB/Vrms |
| Weight | - | 0 lbs (13 g) per earbud |
| 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 BQEYZ NI from aftersound, bassaudio, digaoreviews, eplv, jaytiss, soundcheck39 and tonedeafmonk; the DUNU Titan X from aftersound, atechreviews, audioamigo, bassaudio, boizoff, cqtek, ducbloke, elrics, enemyspider, eplv, fahryst, fernandagunsan, filk, hbb, hobbytalk, jaytiss, kuping-sensi, lumerion, practiphile, precog, sl0the, soundcheck39, soundignity, superreview and tonedeafmonk, all via squig.link.
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