InEar SD5 and 64 Audio U4S use 5BA and 1DD+3BA driver setups respectively. InEar SD5 costs $1,100 while 64 Audio U4S costs $1,100. 64 Audio U4S holds a decisive 1.2-point edge in reviewer scores (7 vs 8.2).
Insights
Metric | InEar SD5 | 64 Audio U4S |
---|---|---|
Bass | 7 | 8 |
Mids | 7 | 7.8 |
Treble | 7 | 6.8 |
Details | 7 | 7.3 |
Soundstage | 7 | 6 |
Imaging | 7 | 7.5 |
Dynamics | 7 | 7.7 |
Tonality | 7 | 7.4 |
Technicalities | 7 | 7 |
InEar SD5 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7Generally Favorable
64 Audio U4S Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.2Very Positive
Reviews Comparison
InEar SD5 (more reviews)
InEar SD5 reviewed by Crin
64 Audio U4S (more reviews)
64 Audio U4S reviewed by Super* Review
64 Audio U4S reviewed by Audionotions
64 Audio U4S reviewed by Smirk Audio
64 Audio U4S reviewed by Jaytiss
Jaytiss Youtube Channel
64 Audio U4S reviewed by Precogvision
Precogvision Youtube Channel
InEar SD5 Details
Driver Configuration: 5BA
Tuning Type: Warm V-shape
Brand: CrinEar Top CrinEar IEMs
Price (Msrp): $1,100
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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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InEar SD5 User Review Score
Average User Scores
Average User Score: n/a
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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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InEar SD5 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6Gaming 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
BInEar SD5 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 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.
InEar SD5 User Reviews
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