Short answer: a tie on sound quality. Both are rated 3.6/5 (#704 and #767 of 1291 in-ear headphones) at nearly the same price ($89.99 vs $89), so choose on features and fit.
The case for the CrinEar Nightfall: The median of 15 hobbyist measurements gives it a solid Harman preference score of 69 with a 2.07 dB spread. Watch for: Presence sits about 5.2 dB low with an 8.1 dB dip near 5.9 kHz, so vocals and instruments lose some bite.
Why pick the Tangzu x Divinus Fudu: A hybrid collaboration between Tangzu and Divinus with one dynamic driver and two balanced armatures. The catch: Treble sits about 3.5 dB below target, a dark, relaxed balance.
Buy the CrinEar Nightfall or the Tangzu x Divinus Fudu on features: they are rated the same for sound quality at close to the same price.
Looking for alternatives? See the complete Headphones rankings.
The median of 15 hobbyist measurements gives it a solid Harman preference score of 69 with a 2.07 dB spread.
Amazon $89.99 eBay
A hybrid collaboration between Tangzu and Divinus with one dynamic driver and two balanced armatures.
Amazon $89.00 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
| CrinEar Nightfall | Tangzu x Divinus Fudu | |
|---|---|---|
| Price | $89.99 | $89.00 |
| Ranked | #704 of 1291 in In-Ear Headphones | #767 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Hybrid |
| Drivers | 1 x 10mm dynamic + 1 x 8mm dynamic | 1 x 10mm dynamic + 2 x balanced armature |
| Impedance | 9 ohms | - |
| Sensitivity | 104 dB/mW | - |
| Frequency Response | 2Hz - 38kHz (Manufacturer specified) | - |
| Harman Preference Score | 69 (median of 15 squig.link measurements, calibrated to AutoEQ) | 68 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.07 dB standard deviation | 2.24 dB standard deviation |
| Tonal Tilt | -0.56 (negative is warmer, positive brighter) | -0.73 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.3 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.4 dB at 30 Hz) |
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 CrinEar Nightfall from aden, aftersound, atechreviews, audioamigo, banzai1122, bassaudio, dl, elrics, hbb, jaytiss, kr0mka, practiphile, silicagel, superreview and tonedeafmonk; the Tangzu x Divinus Fudu from ankramutt, ducbloke and silicagel, all via squig.link.
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