Dunu Mirai and Symphonium Helios SE use 1DD+6BA and 4BA driver setups respectively. Dunu Mirai costs $1,100 while Symphonium Helios SE costs $1,150. Symphonium Helios SE is $50 more expensive. Both score 8 from reviewers. Dunu Mirai has significantly better bass with a 1-point edge, Symphonium Helios SE has better mids with a 0.7-point edge, Symphonium Helios SE has better treble with a 0.5-point edge and Symphonium Helios SE has better dynamics with a 0.8-point edge.
Insights
Metric | Dunu Mirai | Symphonium Helios SE |
---|---|---|
Bass | 8 | 7 |
Mids | 7.3 | 8 |
Treble | 7.5 | 8 |
Details | 8 | 8 |
Soundstage | 7 | 8 |
Imaging | 7.5 | 7.5 |
Dynamics | 6.3 | 7 |
Tonality | 7.4 | 7.9 |
Technicalities | 8.1 | 7.9 |
Dunu Mirai Aggregated Review Score
Average Reviewer Scores
Symphonium Helios SE Aggregated Review Score
Average Reviewer Scores
Dunu Mirai Details
Driver Configuration: 1DD+6BA
Tuning Type: U-Shaped
Brand: DUNU Top DUNU IEMs
Price (Msrp): $1,100
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Symphonium Helios SE Details
Driver Configuration: 4BA
Tuning Type: n/a
Brand: Symphonium Top Symphonium IEMs
Price (Msrp): $1,150
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Dunu Mirai User Review Score
Average User Scores
Average User Score: n/a
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Symphonium Helios SE User Review Score
Average User Scores
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Dunu Mirai Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.8Gaming Grade
B+Symphonium Helios SE Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.9Gaming Grade
B+Dunu Mirai 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+- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well.
Symphonium Helios SE Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Dunu Mirai Reviews
Lot of fun IEM. Is it perfect? No. Treble could use a little work. Harmanish take on low end with relaxed top end.Super* Review original ranking
Super* Review Youtube Channel
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Bright leaning set with great tech. Clean mid-range, sharp imaging, sparkly female vocals with decent amount of air. Does get fatiguing and sharp on more energetic tracks and genres like EDM/POP/KPOP/JPOP, aka lower to mid volume set. Sounds very good on slower genres like indie, acoustics, ballads - adds more energy and liveliness to the slower nature of those genres. Mid-bass is lacking and would not recommend for rock or hiphop. Jays Audio Youtube Channel
Expensive for what it is, lean, and bright. Jaytiss Youtube Channel
Refrence, beautiful timbre, open stage Tuning may be boring for some Tim Tuned Youtube Channel
Symphonium Helios SE Reviews
Best Treble around it's price. Super airy but still smooth. Bass-scoop isn't as bad as I thought, but those who want mid-bass - avoid it. Jays Audio Youtube Channel
Limited to 50 units. A huge improvement fit wise versus the original. Great TOTL all-rounder. Great sub, upper mids and treble. Mid-bass is an improvement but still not boosted. Great technical chops while fixing the sense of plasticness the original had.
See Helios but with more mid-treble and mid-bass. Precogvision Youtube Channel
Dunu Mirai User Reviews
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