64 Audio Tia Trio and 64 Audio U4s use 1DD+2BA and 1DD+3BA driver setups respectively. 64 Audio Tia Trio costs $2,300 while 64 Audio U4s costs $1,100. 64 Audio Tia Trio is $1,200 more expensive. 64 Audio Tia Trio holds a slight 0.3-point edge in reviewer scores (8.5 vs 8.2). 64 Audio Tia Trio has significantly better bass with a 2-point edge, 64 Audio U4s has better mids with a 0.8-point edge, 64 Audio Tia Trio has significantly better dynamics with a 1.3-point edge, 64 Audio Tia Trio has better details with a 0.8-point edge and 64 Audio Tia Trio has significantly better imaging with a 1-point edge.
Insights
Metric | 64 Audio Tia Trio | 64 Audio U4s |
---|---|---|
Bass | 10 | 8 |
Mids | 7 | 7.8 |
Treble | 7 | 6.8 |
Details | 8 | 7.3 |
Soundstage | 8.5 | 6 |
Imaging | 8.5 | 7.5 |
Dynamics | 9 | 7.7 |
Tonality | 7.8 | 7.4 |
Technicalities | 8 | 7 |
64 Audio Tia Trio Aggregated Review Score
Average Reviewer Scores
64 Audio U4s Aggregated Review Score
Average Reviewer Scores
64 Audio Tia Trio Details
Driver Configuration: 1DD+2BA
Tuning Type: Bassy Neutral
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $2,300
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64 Audio U4s Details
Driver Configuration: 1DD+3BA
Tuning Type: neutral, bass-boosted neutral
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $1,100
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64 Audio Tia Trio User Review Score
Average User Scores
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64 Audio U4s User Review Score
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64 Audio Tia Trio Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.4Gaming Grade
B64 Audio U4s Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.1Gaming Grade
B64 Audio Tia Trio Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A+- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well.
64 Audio U4s Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.
Average Technical Grade
A-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
64 Audio Tia Trio Reviews
Phenomenal bass texture and quality. Mids are good if not great - I don't have much to nitpick about them - good note weight and excellent clarity. Treble is very sparkly and airy though some may find it a bit too much - I think the extra spice actually helps with instruments like violins. Imaging isn't quite as precise as U12T but stage is just as large if not more so. Timbre is not exactly natural but it is very good and definitely not offensive at all. My subjective favorite IEM to date. This is without a doubt a colored listen but it is so satisfying. Makes U12T sound almost sterile. That said both are good counterpoints to each other. Personal Unit
Best bass texture ever. Gorgeous treble extension, stage and imaging. Coherency and timbre a bit off. Upper mids/lower treble could be better. As amazing as it is, I couldn't fully connect with it (musically). Price is the biggest con.
Rich bass and out-of-head imaging. Precogvision Youtube Channel
A more correct sounding version of the Fourte with slight cutbacks in staging and sheer resolution. Crin Youtube Channel
64 Audio U4s Reviews
A step down in techs from U12T (possibly a half step down from U6T). But very well tuned and adds in a dynamic driver punch. Timbre is slightly improved compared to U12T due to the increase in midbass and upper mids energy. On the second hand market, 64Audio IEMs are among the best values in portable audio, the U4S is no exception. Previously Owned
A tastefully colored U12t with a more intimate soundstage, a cutback in technicalities, and more bass realism.
It's a solid set, with great build quality, but sonically isn't the specialist that I want it to be. Jaytiss Youtube Channel
Fantastic colored tonality with options, and the unique technical qualities to back it up. M12/M15 modules recommended. Precogvision Youtube Channel
64 Audio Tia Trio User Reviews
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