Short answer: a tie on sound quality. Both are rated 3.2/5 (#957 and #942 of 1291 in-ear headphones) at nearly the same price ($199.99 vs $199), so choose on features and fit.
What the DUNU x KOTO ITO does well: Bass is boosted about 4 dB across both sub-bass and mid-bass, and it holds that level all the way down to 20 Hz, so electronic and hip-hop tracks get real weight and rumble. Watch for: A Harman preference score of 64.4 in hobbyist measurements reflects a tilted, bass-heavy tuning that will feel thick to listeners who want neutral sound.
What the Muse HiFi Power does well: A 14.5mm planar magnetic driver with about 2.3 dB of extra bass and sub-bass that stays within 6 dB of target down to 20 Hz, for a full, warm low end. The tradeoff: Squig.link measurements show a 12.7 dB peak near 11.9 kHz on top of a 6.5 dB dip near 6.5 kHz, so the lower treble sounds dim while the very top can add a hissy sheen.
Buy the DUNU x KOTO ITO or the Muse HiFi Power on features: they are rated the same for sound quality at close to the same price.
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Bass is boosted about 4 dB across both sub-bass and mid-bass, and it holds that level all the way down to 20 Hz, so electronic and hip-hop tracks get real weight and rumble.
Amazon $199.99 eBay
A 14.5mm planar magnetic driver with about 2.3 dB of extra bass and sub-bass that stays within 6 dB of target down to 20 Hz, for a full, warm low end.
Audio46 $199.00 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
| DUNU x KOTO ITO | Muse HiFi Power | |
|---|---|---|
| Price | $199.99 | $199.00 |
| Ranked | #957 of 1291 in In-Ear Headphones | #942 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 64 (median of 8 squig.link measurements, calibrated to AutoEQ) | 64 (measured by crinacle, via AutoEQ) |
| Deviation From Target | 2.37 dB standard deviation | 2.99 dB standard deviation |
| Tonal Tilt | -1.12 (negative is warmer, positive brighter) | -0.51 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+4.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.6 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (2 dynamic + 2 balanced armature) | Planar magnetic |
| Drivers | 1 x 10mm dynamic + 1 x 8mm dynamic + 2 x balanced armature | 1 x 14.5mm planar magnetic |
| Impedance | 37 ohms | 32 ohms |
| Sensitivity | 105 dB/mW | 106 dB/mW |
| Weight | 0 lbs (6.5 g) per side | - |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) | 10Hz - 40kHz (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 DUNU x KOTO ITO from atechreviews, audioamigo, bassaudio, elrics, hobbytalk, jaytiss, soundignity and tonedeafmonk; the Muse HiFi Power from aftersound, dchpgall, hbb, musicafe and vsg, all via squig.link.
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