Symphonium Crimson and QDC 8SE use 4BA and 8BA driver setups respectively. Symphonium Crimson costs $1,500 while QDC 8SE costs $1,800. QDC 8SE is $300 more expensive. Symphonium Crimson holds a decisive 1-point edge in reviewer scores (8.4 vs 7.4).
Insights
Metric | Symphonium Crimson | QDC 8SE |
---|---|---|
Bass | 8.6 | 7.4 |
Mids | 7.7 | 7.4 |
Treble | 7.5 | 7.4 |
Details | 8.1 | 7.4 |
Soundstage | 8.3 | 7.4 |
Imaging | 8.5 | 7.4 |
Dynamics | 7 | 7.4 |
Tonality | 8.1 | 8.3 |
Technicalities | 8.3 | 9 |
Symphonium Crimson Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.4Very Positive
QDC 8SE Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.4Generally Favorable
Reviews Comparison
Symphonium Crimson (more reviews)
Symphonium Crimson reviewed by Z-Reviews
Youtube Video Summary
Symphonium Crimson lands with a bang: a four–BA, four-way crossover design that somehow delivers epic energy without a dynamic driver. Tonality reads neutral-bright with thunderous sub-bass—not a basshead hump, but a slab of solid, deep extension that stays clean. Mids stay clear for vocals and strings, treble rises for sparkle and excitement, and the presentation spreads out like pulled-apart audio “shreds” across a big canvas. The effect is clarity, detail, and slam that feel bigger than the driver count suggests, making music and film scores straight-up addictive.
Technical notes matter here. Nominal impedance is a weirdly low ~6Ω, so source pairing can swing results; the set scales and sounds happiest on robust gear that can keep low-impedance loads stable. Despite the armature array, coherency stays intact, dynamics hit harder than expected, and volume headroom invites goosebumps. It’s not a “bass monster,” yet the sub-bass authority and lively treble make it exciting rather than polite, with imaging that feels wide and tactile.
Ergonomics are the gripe list: the short nozzle can challenge seal and the premium cable lacks a formed ear hook, encouraging twist and loosening—tip rolling (even reversed-orientation tricks) helps. Build is flashy—carbon-fiber shell, red inlays, metal case that’s too hefty for travel. Pricing sits around $1,500 (or $1,700 with 8-wire cable); for sheer fun, impact, and best-in-brand performance, the value argument holds. For all-day softness, something like Twilight stays comfier; for movies, big scores, and “wow” sessions, Crimson feels like a must-grab and arguably the best Symphonium to date.
Z-Reviews Youtube Channel
Symphonium Crimson reviewed by Jays Audio
Symphonium Crimson reviewed by Yifang
Symphonium Crimson reviewed by Nymz
Symphonium Crimson reviewed by Shuwa-T
Symphonium Crimson reviewed by Precogvision
Precogvision Youtube Channel
Symphonium Crimson reviewed by Smirk Audio
Symphonium Crimson reviewed by Jaytiss
Jaytiss Youtube Channel
Symphonium Crimson reviewed by Head-Fi.org
QDC 8SE (more reviews)
QDC 8SE reviewed by Kois Archive
Kois Archive Youtube Channel
Symphonium Crimson Details
Driver Configuration: 4BA
Tuning Type: U-Shaped
Brand: Symphonium Top Symphonium IEMs
Price (Msrp): $1,500
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QDC 8SE Details
Driver Configuration: 8BA
Tuning Type: n/a
Brand: QDC Top QDC IEMs
Price (Msrp): $1,800
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Symphonium Crimson User Review Score
Average User Scores
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QDC 8SE User Review Score
Average User Scores
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Symphonium Crimson Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.2Gaming Grade
A-QDC 8SE Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.3Gaming Grade
A-Symphonium Crimson Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- Tuning feels refined, blending frequencies with convincing realism and engagement. Transitions between registers feel effortless.
Average Technical Grade
A+- It sounds refined and controlled, keeping instruments neatly separated with immersive staging. Busy arrangements remain neatly organized.
QDC 8SE Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- The tonal balance is polished and expressive, highlighting emotion without sacrificing accuracy. It keeps emotional weight without sacrificing accuracy.
Average Technical Grade
S- Expect an effortlessly clean presentation that keeps complex mixes perfectly organized. There is zero sense of congestion even at high volume.
Symphonium Crimson User Reviews
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