Short answer: the Custom Art FIBAE 7 Unlimited. Both are rated 3.4/5 for sound quality (#860 and #908 of 1369 in-ear headphones), and the Custom Art FIBAE 7 Unlimited costs $1,620 against $1,799 for the Unique Melody Maven II, and with sound quality even, the cheaper one is the better buy.
The case for the Custom Art FIBAE 7 Unlimited: A broadly balanced tuning with a preference score of 67 against the Harman target. Watch for: Treble about 2 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones.
What the Unique Melody Maven II does well: A broadly balanced tuning with a preference score of 66 against the Harman target. The catch: Treble about 4 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones.
Buy the Custom Art FIBAE 7 Unlimited. Both are rated the same for sound quality, and it costs $179 less than the Unique Melody Maven II.
Looking for alternatives? See the complete Headphones rankings.
A broadly balanced tuning with a preference score of 67 against the Harman target.
Custom Art $1,620.00 eBay
A broadly balanced tuning with a preference score of 66 against the Harman target.
MusicTeck $1,799.00 eBayPrices on this page were last checked October 17, 2026 at 6:04 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
| Custom Art FIBAE 7 Unlimited | Unique Melody Maven II | |
|---|---|---|
| Price | $1,620.00 | $1,799.00 |
| Ranked | #860 of 1369 in In-Ear Headphones | #908 of 1369 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 67 (median of 4 squig.link measurements, calibrated to AutoEQ) | 66 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.49 dB standard deviation | 2.60 dB standard deviation |
| Tonal Tilt | -0.42 (negative is warmer, positive brighter) | -0.84 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.5 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Balanced Armature | Tribrid |
| Drivers | 7 x balanced armature (2 sub-low, 1 low-mid, 2 mid-high, 1 high, 1 super high) | 10 drivers (2 dynamic drivers + 4 balanced armatures + 4 electrostatic drivers) |
| Impedance | 12 ohms | - |
| Sensitivity | 122 dB | - |
| Frequency Response | 10Hz - 21kHz | 20Hz - 70kHz |
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 Custom Art FIBAE 7 Unlimited from dl, harutohiroki, hbb, precog, superreview and vsg; the Unique Melody Maven II from aden, dchpgall, jaytiss and soundignity, all via squig.link.
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