AAW Halycon and 64 Audio U4s use 1DD+2BA+4EST and 1DD+3BA driver setups respectively. AAW Halycon costs $1,450 while 64 Audio U4s costs $1,100. AAW Halycon is $350 more expensive. 64 Audio U4s holds a decisive 3.7-point edge in reviewer scores (4.5 vs 8.2).
Insights
Metric | AAW Halycon | 64 Audio U4s |
---|---|---|
Bass | 4.5 | 8 |
Mids | 4.5 | 7.8 |
Treble | 4.5 | 6.8 |
Details | 4.5 | 7.3 |
Soundstage | 4.5 | 6 |
Imaging | 4.5 | 7.5 |
Dynamics | 4.5 | 7.7 |
Tonality | 4.5 | 7.4 |
Technicalities | 5 | 7 |
AAW Halycon Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
4.5Generally Unfavorable
64 Audio U4s Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.2Very Positive
Reviews Comparison
AAW Halycon (more reviews)
AAW Halycon 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
AAW Halycon Details
Driver Configuration: 1DD+2BA+4EST
Tuning Type: Variable
Price (Msrp): $1,450
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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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AAW Halycon User Review Score
Average User Scores
Average User Score: n/a
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64 Audio U4s User Review Score
Average User Scores
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AAW Halycon Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
3.9Gaming Grade
D+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
BAAW Halycon Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C- Significantly flawed tuning. Noticeable frequency imbalances and unnatural timbre distract from music. Lacks versatility across recordings.
Average Technical Grade
C+- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
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.
AAW Halycon User Reviews
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