64 Audio U4s VS Letshuoer EJ07
IEM Comparison: Expert & Community Scores Side-by-Side
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64 Audio U4s and Letshuoer EJ07 are in-ear monitors. 64 Audio U4s costs $1,100 while Letshuoer EJ07 costs $900. 64 Audio U4s is $200 more expensive. 64 Audio U4s holds a slight 0.2-point edge in reviewer scores (8.2 vs 8). 64 Audio U4s has significantly better bass with a 1-point edge, 64 Audio U4s has slightly better treble with a 0.3-point edge, Letshuoer EJ07 has significantly better soundstage with a 1.5-point edge and Letshuoer EJ07 has better details with a 0.8-point edge.
Insights
| Metric | 64 Audio U4s | Letshuoer EJ07 |
|---|---|---|
| Bass | 8 | 7 |
| Mids | 7.8 | 8 |
| Treble | 6.8 | 6.5 |
| Details | 7.3 | 8 |
| Soundstage | 6 | 7.5 |
| Imaging | 7.5 | 7.5 |
| Dynamics | 7.7 | 8 |
| Tonality | 7.4 | 8.5 |
| Technicalities | 7 | 7.9 |
64 Audio U4s Aggregated Review Score
Average Reviewer Scores
Letshuoer EJ07 Aggregated Review Score
Average Reviewer Scores
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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Letshuoer EJ07 Details
Driver Configuration:
Tuning Type: n/a
Brand: Letshuoer Top Letshuoer IEMs
Price (Msrp): $900
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64 Audio U4s User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Letshuoer EJ07 User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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64 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
BLetshuoer EJ07 Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7Gaming Grade
A-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.
Bass
A+
Excellent bass response - powerful yet controlled. Deep extension with authoritative slam while maintaining clarity.
Mids
A
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble
B+
Good treble response - clear and detailed without fatigue. Well-extended with proper air and sparkle.
Dynamics
A
Excellent dynamics with great contrast and speed. Transients are crisp and micro-details are clearly articulated.
Soundstage
B
Good soundstage with proper width and depth. Instruments have clear positioning with reasonable front/back placement.
Details
A-
Excellent detail retrieval: highly resolving without being clinical. Effortlessly reveals micro-details and textural subtleties.
Imaging
A
Excellent imaging: precise and stable placement. Instruments occupy specific points in space with tangible positions.
Gaming
B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. Bad value-to-cost for gaming purpose - not recommended
Letshuoer EJ07 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
S-- Highly polished technical execution. Excellent frequency synergy creates an immersive experience. Enhances musical content.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Bass
A-
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids
A+
Superb midrange that's rich and resolving. Exceptional transparency and micro-details with perfect vocal/instrument balance.
Treble
B+
Good treble response - clear and detailed without fatigue. Well-extended with proper air and sparkle.
Soundstage
A
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Details
A+
Exceptional resolution that uncovers the deepest layers. Retrieves even the most minute details while maintaining natural timbre.
Imaging
A
Excellent imaging: precise and stable placement. Instruments occupy specific points in space with tangible positions.
Gaming
A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations. Bad value-to-cost for gaming purpose - not recommended
64 Audio U4s Reviews
9*
* score normalized
8.5
Reviewer Score
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
7.8
Reviewer Score
A
Tuning
A
Tech
A tastefully colored U12t with a more intimate soundstage, a cutback in technicalities, and more bass realism.
Bass: A+
Mids: A
Treble: A
Dynamics: A+
Details: A
Imaging: A+
7.8
Reviewer Score
B+
Tuning
B
Tech
It's a solid set, with great build quality, but sonically isn't the specialist that I want it to be. Jaytiss Youtube Channel
Mids: A+
Treble: B
Dynamics: A-
Soundstage: B
7.7
Reviewer Score
A
Tuning
A-
Tech
Fantastic colored tonality with options, and the unique technical qualities to back it up. M12/M15 modules recommended. Precogvision Youtube Channel
Bass: A+
Mids: A+
Treble: A-
Dynamics: A+
Details: A-
Imaging: A-
Letshuoer EJ07 Reviews
8.5
Reviewer Score
S+
Tuning
A+
Tech
TOTL mids. Most 3D and holographic staging yet. Imaging, separation, layering, and staging are all S level - only thing that's holding it back is the darker treble which can lead to softer notes vs, Diva, for example.The most immersive set for rock, alternative, ballads, and classical. An 07M that scales better with better staging. Great clarity and seperation. Treble is pushed back but still clear and evident in tracks (at higher volumes). Could use more low-end (but not an issue) and sharper note transients. Takes you on a journey. Needs to be listened to at high volume for the full effect. Jays Audio Youtube Channel
8
Reviewer Score
Very engaging and very natural sounding. Decent technicalities. Instruments sound correct. Staging and imaging very good for an IEM. Very enjoyable. Leans dark and maybe a bit lacking in treble extension but also very easy to just enjoy the music which, at the end of the day, is what we even want from IEMs right? Previously Owned
7.4
Reviewer Score
A-
Tuning
A
Tech
Comment: My favourite of the EJ lineup. Vocal centric with great clarity and thick note weights in the midrange Bass may be too polite
Bass: A-
Mids: A+
Treble: B+
Soundstage: A
Details: A+
Imaging: A
64 Audio U4s User Reviews
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