The 64 Audio U18t ranks #839 out of 865 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: 64 Audio
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#839 64 Audio U18t: $2,999 Headphones.com $2,999 eBay
Pros: Lower mids sit within about 0.5 dB of target, keeping voices and guitars natural. It uses 18 x balanced armature with an easy 9 ohm load.
Cons: Presence sits about 10.7 dB low with a 13.8 dB dip near 11.7 kHz, so vocals and instruments lose some bite. Sub-bass is 6.1 dB short at 30 Hz, so deep bass lacks rumble. A Harman score of 43 places it in the lower part of the in-ear rankings.
| Released | 2016 (10 years ago) |
|---|---|
| Connection | Wired |
| Deviation From Target | 4.38 dB standard deviation |
| Driver Type | Balanced armature |
| Drivers | 18 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 20kHz |
| Harman Preference Score | 43 (measured by HypetheSonics, via AutoEQ) |
| Impedance | 9 ohms |
| Sensitivity | 111 dB/mW |
| Sub-bass Extension | Falls 6 dB below target at 30 Hz (-6.1 dB at 30 Hz) |
| Tonal Tilt | -0.97 (negative is warmer, positive brighter) |
EQ preset to match the Harman target
Set a preamp of -6.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +2.2 dB | 0.70 |
| Peak | 5,853 Hz | +6.7 dB | 0.28 |
| Peak | 205 Hz | -4.4 dB | 0.43 |
| Peak | 1,568 Hz | -5.3 dB | 0.91 |
| Peak | 20 Hz | +0.7 dB | 1.70 |
| High shelf | 10,000 Hz | -1.2 dB | 0.70 |
| Peak | 3,221 Hz | -2.1 dB | 5.93 |
| Peak | 2,707 Hz | +2.2 dB | 6.00 |
| Peak | 3,998 Hz | +1.2 dB | 5.77 |
| Peak | 2,271 Hz | -0.8 dB | 4.56 |
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