Short answer: the Kinera Freya 2.0. It ranks #71 of 1291 in-ear headphones by sound quality, rated 4.6/5, at $269; the Rose Technics QT9 MK3 ranks #108, rated 4.5/5, and costs $280.99, so there is little reason to consider the other one.
What the Kinera Freya 2.0 does well: Six hobbyist measurements on squig.link give it a preference score of 81.2 and a smooth 1.31 dB deviation. Watch for: The air band above 10 kHz falls about 3.4 dB short, with a 4.8 dB dip near 10.7 kHz, so recordings lose a little openness and shimmer.
The case for the Rose Technics QT9 MK3: The median of 4 hobbyist measurements gives it an excellent Harman preference score of 80 with a 1.44 dB spread, and its mids sit within about 1.5 dB of target, so vocals and instruments sound natural. The tradeoff: Its 1.44 dB spread is less even than the best measured sets.
Buy the Kinera Freya 2.0. It is rated higher for sound quality than the Rose Technics QT9 MK3 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Still deciding? The full Headphones rankings cover every ranked option.
Six hobbyist measurements on squig.link give it a preference score of 81.2 and a smooth 1.31 dB deviation.
Amazon $269.00 eBay
The median of 4 hobbyist measurements gives it an excellent Harman preference score of 80 with a 1.44 dB spread, and its mids sit within about 1.5 dB of target, so vocals and instruments sound natural.
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Specifications Side By Side
| Kinera Freya 2.0 | Rose Technics QT9 MK3 | |
|---|---|---|
| Price | $269.00 | $280.99 |
| Ranked | #71 of 1291 in In-Ear Headphones | #108 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 81 (median of 6 squig.link measurements, calibrated to AutoEQ) | 80 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.31 dB standard deviation | 1.44 dB standard deviation |
| Tonal Tilt | -0.09 (negative is warmer, positive brighter) | +0.30 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 3 balanced armature) | Hybrid (1 dynamic + 4 balanced armature) |
| Drivers | 1 x 7mm dynamic + 3 x balanced armature | 1 x 10mm dynamic + 4 x balanced armature |
| Impedance | 20 ohms | 18 ohms |
| Sensitivity | 105 dB | 104 dB |
| Weight | 0 lbs (3.6 g) per earbud | - |
| Frequency Response | 20Hz - 50kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | No | 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 Kinera Freya 2.0 from fahryst, hu-fi, soundcheck39, tedthepraimortis, tonedeafmonk and vortexreviews; the Rose Technics QT9 MK3 from arn, cqtek, musicafe and obodio, all via squig.link.
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