64 Audio A/U18 Tzar and Moondrop Aria 2 are in-ear monitors. 64 Audio A/U18 Tzar costs $3,000 while Moondrop Aria 2 costs $79. 64 Audio A/U18 Tzar is $2,921 more expensive. 64 Audio A/U18 Tzar holds a clear 0.8-point edge in reviewer scores (7 vs 6.2).
Insights
Metric | 64 Audio A/U18 Tzar | Moondrop Aria 2 |
---|---|---|
Bass | 7 | 6.5 |
Mids | 7 | 6.5 |
Treble | 7 | 6.3 |
Details | 7 | 6.5 |
Soundstage | 7 | 6.5 |
Imaging | 7 | 5.5 |
Dynamics | 7 | 5 |
Tonality | 6.5 | 6.1 |
Technicalities | 8 | 6.3 |
64 Audio A/U18 Tzar Aggregated Review Score
Average Reviewer Scores
Moondrop Aria 2 Aggregated Review Score
Average Reviewer Scores
64 Audio A/U18 Tzar Details
Driver Configuration: 18BA
Tuning Type: Warm neutral
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $3,000
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Moondrop Aria 2 Details
Driver Configuration:
Tuning Type: n/a
Brand: Moondrop Top Moondrop IEMs
Price (Msrp): $79
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64 Audio A/U18 Tzar User Review Score
Average User Scores
Average User Score: n/a
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Moondrop Aria 2 User Review Score
Average User Scores
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64 Audio A/U18 Tzar 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
BMoondrop Aria 2 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.2Gaming Grade
B64 Audio A/U18 Tzar Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B+- Generally enjoyable tonal character with some noticeable unevenness. Maintains listenability while showing room for refinement in frequency balance.
Average Technical Grade
A+- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well.
Moondrop Aria 2 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B- 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 A/U18 Tzar Reviews
A rather simple and "mainstream" tuning refined to a high level. Crin Youtube Channel
Moondrop Aria 2 Reviews
Nice package for the price. Jaytiss Youtube Channel
Gizaudio Axel
2025-07-31A solid set. Good bass with solid impact, slightly warm but full and clear vocals, and solid detail. Could use more sub-bass and a more refined upper treble.Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
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check links for more info: Tim Tuned Youtube Channel
A more engaging Aria SE with more bass, air, and reverb. Feels too smoothed out with a hit in the texture. Bump in tech over the old one, but pricing is an issue vs EW200 and EW300 Jays Audio Youtube Channel
64 Audio A/U18 Tzar User Reviews
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