Short answer: the Fatfreq Sakura. It ranks #633 of 1291 in-ear headphones by sound quality, rated 3.7/5, at $1,499. The SeeAudio Kaguya ranks #693, rated 3.6/5, at $1,399, $100 cheaper, a saving that is not big enough to make up the sound-quality gap.
What the Fatfreq Sakura does well: Crinacle’s measurement gives it a preference score of 70, a reasonably close match to the response most listeners prefer. Watch for: A 2.6 dB standard deviation from target means the response is noticeably uneven in places.
What the SeeAudio Kaguya does well: A preference score of 69 from crinacle and a 2.2 dB standard deviation give it a fairly even response for a premium hybrid. The tradeoff: A 10.8 dB peak near 10 kHz in squig.link measurements can make cymbals and hi-hats sound glassy or hissy to treble-sensitive listeners.
Buy the Fatfreq Sakura. It is rated higher for sound quality, and saving $100 with the SeeAudio Kaguya does not make up for the sound-quality gap.
Looking for alternatives? See the complete Headphones rankings.
Crinacle’s measurement gives it a preference score of 70, a reasonably close match to the response most listeners prefer.
FATfreq $1,499.00 eBay
A preference score of 69 from crinacle and a 2.2 dB standard deviation give it a fairly even response for a premium hybrid.
Linsoul $1,399.00 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
| Fatfreq Sakura | SeeAudio Kaguya | |
|---|---|---|
| Price | $1,499.00 | $1,399.00 |
| Ranked | #633 of 1291 in In-Ear Headphones | #693 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 70 (measured by crinacle, via AutoEQ) | 69 (measured by crinacle, via AutoEQ) |
| Deviation From Target | 2.58 dB standard deviation | 2.22 dB standard deviation |
| Tonal Tilt | -0.08 (negative is warmer, positive brighter) | -0.56 (negative is warmer, positive brighter) |
| Connection | Wired | Wired |
| Built-in Microphone | No | No |
| Driver Type | - | Hybrid (4 balanced armature + 4 electrostatic) |
| Drivers | - | 4 x balanced armature + 4 x electrostatic |
| Impedance | - | 28 ohms |
| Sensitivity | - | 103 dB/mW |
| Frequency Response | - | 20Hz - 40kHz (Manufacturer specified) |
| Sub-bass Extension | - | Within 6 dB of target down to 20 Hz (+1.3 dB at 30 Hz) |
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