Moondrop Aria 2 and Penon Free iem are in-ear monitors. Moondrop Aria 2 costs $79 while Penon Free iem costs $99. Penon Free iem is $20 more expensive. Moondrop Aria 2 holds a decisive 4.4-point edge in reviewer scores (6.2 vs 1.8). Moondrop Aria 2 has significantly better mids with a 3.5-point edge, Moondrop Aria 2 has significantly better treble with a 5.3-point edge, Moondrop Aria 2 has significantly better dynamics with a 4-point edge and Moondrop Aria 2 has significantly better soundstage with a 4.5-point edge.
Insights
Metric | Moondrop Aria 2 | Penon Free iem |
---|---|---|
Bass | 6.5 | 1.8 |
Mids | 6.5 | 3 |
Treble | 6.3 | 1 |
Details | 6.5 | 1.8 |
Soundstage | 6.5 | 2 |
Imaging | 5.5 | 1.8 |
Dynamics | 5 | 1 |
Tonality | 6.1 | 1.8 |
Technicalities | 6.3 | 1 |
Moondrop Aria 2 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
6.2Mixed to Positive
Penon Free iem Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
1.8Abysmal
Reviews Comparison
Moondrop Aria 2 reviewed by Jaytiss
Penon Free iem reviewed by Jaytiss
Jaytiss Youtube Channel
Moondrop Aria 2 (more reviews)
Moondrop Aria 2 reviewed by Z-Reviews
Moondrop Aria 2 reviewed by Gizaudio Axel
2025-07-31Gizaudio Axel original ranking
Gizaudio Axel Youtube ChannelMoondrop Aria 2 reviewed by Shuwa-T
Moondrop Aria 2 reviewed by Tim Tuned
Moondrop Aria 2 reviewed by Jays Audio
Jays Audio Youtube Channel
Moondrop Aria 2 Details
Driver Configuration:
Tuning Type: n/a
Brand: Moondrop Top Moondrop IEMs
Price (Msrp): $79
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Penon Free iem Details
Driver Configuration: n/a
Tuning Type: n/a
Price (Msrp): $99
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Moondrop Aria 2 User Review Score
Average User Scores
Average User Score: n/a
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Penon Free iem User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Moondrop 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
BPenon Free iem Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
1.2Gaming Grade
E-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.
Penon Free iem Scorings
Average Technical & Tuning Grades
Average Tunign Grade
E- Tonally jarring or fatiguing. Frequency clashes (e.g., piercing treble, bloated bass) make extended listening unpleasant. Poor genre adaptation.
Average Technical Grade
E-- Noticeably blurred or congested. Struggles with basic instrument separation; details are lost in simple tracks. Feels "flat" and one-dimensional.
Moondrop Aria 2 User Reviews
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