Short answer: the Simgot SuperMix 5. It ranks #98 of 1291 in-ear headphones by sound quality, rated 4.5/5, at $219.99; the Moondrop Kadenz ranks #165, rated 4.4/5, at $219.99. The price gap is small enough that the sound-quality ranking should decide it.
The case for the Simgot SuperMix 5: Its five driver hybrid scores 80.1 for preference across 22 squig.link measurements, with a 1.24 dB deviation that keeps the whole range smooth. Watch for: Presence and treble sit about 2.5 dB below target from 3 to 10 kHz with a 3.9 dB dip near 6.1 kHz, so the sound is a bit laid back and cymbals lack bite.
The case for the Moondrop Kadenz: The median of 17 hobbyist measurements gives it a very good Harman preference score of 78 with a 1.73 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural. The catch: Sub-bass is 3.2 dB short at 30 Hz, so deep bass lacks rumble.
Buy the Simgot SuperMix 5. It is rated higher for sound quality than the Moondrop Kadenz at the same price, so it is the default pick unless a specific strength of the other one matters more to you.
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Its five driver hybrid scores 80.1 for preference across 22 squig.link measurements, with a 1.24 dB deviation that keeps the whole range smooth.
Amazon $219.99 eBay
The median of 17 hobbyist measurements gives it a very good Harman preference score of 78 with a 1.73 dB spread, and its mids sit within about 0.5 dB of target, so vocals and instruments sound natural.
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Specifications Side By Side
| Simgot SuperMix 5 | Moondrop Kadenz | |
|---|---|---|
| Price | $219.99 | $219.99 |
| Ranked | #98 of 1291 in In-Ear Headphones | #165 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 80 (median of 22 squig.link measurements, calibrated to AutoEQ) | 78 (median of 17 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.24 dB standard deviation | 1.73 dB standard deviation |
| Tonal Tilt | -0.22 (negative is warmer, positive brighter) | +0.07 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 2 balanced armature + 1 planar magnetic + 1 bone conduction) | Dynamic |
| Drivers | 1 x dynamic + 2 x balanced armature + 1 x micro planar + 1 x bone conduction | 1 x 10mm dynamic |
| Impedance | 19 ohms | 35 ohms |
| Sensitivity | 120 dB/Vrms | 122 dB/Vrms |
| Frequency Response | 8Hz - 40kHz (Manufacturer specified) | 8Hz - 21kHz (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 Simgot SuperMix 5 from aftersound, arn, atechreviews, audioamigo, bassaudio, bedrock, boizoff, cqtek, csi-zone, dl, fahryst, fernandagunsan, hbb, iemocean, jaytiss, joycesreview, practiphile, pw, soundcheck39, soundignity, superreview and timmyv; the Moondrop Kadenz from aden, arn, audioamigo, awsmdanny, bedrock, boizoff, breampike, csi-zone, hu-fi, jaytiss, koi, pw, soundignity, superreview, theaudiostore, timmyv and treblewellxtended, all via squig.link.
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