Empire Ears Hero and 64 Audio U4s are 1DD+3BA in-ear monitors. Empire Ears Hero costs $1,350 while 64 Audio U4s costs $1,100. Empire Ears Hero is $250 more expensive. 64 Audio U4s holds a decisive 2.4-point edge in reviewer scores (5.8 vs 8.2). 64 Audio U4s has significantly better bass with a 1-point edge, 64 Audio U4s has significantly better mids with a 2.8-point edge, 64 Audio U4s has significantly better treble with a 2.8-point edge, 64 Audio U4s has better dynamics with a 0.7-point edge, 64 Audio U4s has significantly better details with a 1.3-point edge and 64 Audio U4s has significantly better imaging with a 1.5-point edge.
Insights
Metric | Empire Ears Hero | 64 Audio U4s |
---|---|---|
Bass | 7 | 8 |
Mids | 5 | 7.8 |
Treble | 4 | 6.8 |
Details | 6 | 7.3 |
Soundstage | 5.8 | 6 |
Imaging | 6 | 7.5 |
Dynamics | 7 | 7.7 |
Tonality | 5.4 | 7.4 |
Technicalities | 6.7 | 7 |
Empire Ears Hero Aggregated Review Score
Average Reviewer Scores
64 Audio U4s Aggregated Review Score
Average Reviewer Scores
Empire Ears Hero Details
Driver Configuration: 1DD+3BA
Tuning Type: U-Shaped
Brand: Empire Ears Top Empire Ears IEMs
Price (Msrp): $1,350
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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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Empire Ears Hero 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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Empire Ears Hero Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
5.3Gaming Grade
C+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
BEmpire Ears Hero Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C+- Generally enjoyable tonal character with some noticeable unevenness. Maintains listenability while showing room for refinement in frequency balance.
Average Technical Grade
B+- 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.
Empire Ears Hero Reviews
Reviewed by: Crin
Crin Youtube Channel
Reviewed by: Precogvision
Precogvision Youtube Channel
64 Audio U4s Reviews
Reviewed by: Super* Review
Reviewed by: Audionotions
Reviewed by: Smirk Audio
Reviewed by: Jaytiss
Jaytiss Youtube Channel
Reviewed by: Precogvision
Precogvision Youtube Channel
Empire Ears Hero User Reviews
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