The Cozoy D2 ranks #315 out of 657 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Cozoy
Prices on this page were last checked October 12, 2026 at 4:13 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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#315 Cozoy D2: $55 Cozoy $55 eBay
Pros: The median of 16 hobbyist measurements gives it a solid Harman preference score of 74 with a 2.11 dB spread, and its mids sit within about 0.7 dB of target, so vocals and instruments sound natural. It uses 1 x 10mm dynamic + 1 x 6mm dynamic with an easy 20 ohm load.
Cons: Presence sits about 3.6 dB low with a 7.5 dB dip near 6.3 kHz, so vocals and instruments lose some bite. A 6.5 dB peak near 11.9 kHz can make cymbals and sibilance sound sharp. Sub-bass is 2.9 dB short at 30 Hz, so deep bass lacks rumble.
| Released | Jul 2026 (3 months ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 2.11 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x 6mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 50kHz (Manufacturer specified) |
| Harman Preference Score | 74 (median of 16 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 20 ohms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.9 dB at 30 Hz) |
| Tonal Tilt | -0.09 (negative is warmer, positive brighter) |
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