Symphonium Crimson and Unique Melody Maven II use 4BA and 2DD+4BA+4EST driver setups respectively. Symphonium Crimson costs $1,500 while Unique Melody Maven II costs $1,799. Unique Melody Maven II is $299 more expensive. Symphonium Crimson holds a clear 0.6-point edge in reviewer scores (8.4 vs 7.8). Unique Melody Maven II carries a user score of 8.2. Symphonium Crimson has better bass with a 0.6-point edge, Symphonium Crimson has significantly better mids with a 1.2-point edge, Symphonium Crimson has significantly better treble with a 1.3-point edge, Symphonium Crimson has significantly better soundstage with a 3.3-point edge, Symphonium Crimson has better details with a 0.6-point edge and Symphonium Crimson has significantly better imaging with a 1-point edge.
Insights
| Metric | Symphonium Crimson | Unique Melody Maven II |
|---|---|---|
| Bass | 8.6 | 8 |
| Mids | 7.7 | 6.5 |
| Treble | 7.5 | 6.3 |
| Details | 8.1 | 7.5 |
| Soundstage | 8.3 | 5 |
| Imaging | 8.5 | 7.5 |
| Dynamics | 7 | 7 |
| Tonality | 8.1 | 7.6 |
| Technicalities | 8.3 | 7.7 |
Symphonium Crimson Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.4Very Positive
Unique Melody Maven II Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.8Strongly Favorable
Reviews Comparison
Symphonium Crimson reviewed by Yifang
Symphonium Crimson reviewed by Smirk Audio
Unique Melody Maven II reviewed by Smirk Audio
Symphonium Crimson reviewed by Jaytiss
Jaytiss Youtube Channel
Unique Melody Maven II reviewed by Jaytiss
Jaytiss Youtube Channel
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 Nymz
Symphonium Crimson reviewed by Shuwa-T
Symphonium Crimson reviewed by Precogvision
Precogvision Youtube Channel
Symphonium Crimson reviewed by Head-Fi.org
Unique Melody Maven II (more reviews)
Unique Melody Maven II reviewed by Web Search
The Unique Melody Maven II delivers a balanced yet colored sound signature that excels across diverse genres. Its elevated bass offers deep rumble and punchy mid-bass without bleeding into the mids, while the boosted upper treble provides air and detail retrieval without harshness—though the stock cable can introduce graininess, resolved via aftermarket options . A subtle lower-mid dip prevents vocal shoutiness, maintaining warmth and coherence, while the expansive soundstage and precise imaging create an immersive listening experience .
Comfort and build quality are highlights, with aerospace-grade titanium shells that feel lightweight yet durable, though cold temperatures can cause initial discomfort during insertion . The long nozzles and crescent-moon faceplate design facilitate a secure fit, but tip-rolling is essential as the included Azla Xelastec tips max out at medium size and stock silicone tips seal poorly . Some users report driver flex due to insufficient venting in the faceplate, though isolation is excellent with optimal tips .
While not a basshead IEM, the proprietary dual dynamic drivers (9.8mm + 6.9mm) deliver textured lows that complement its technical prowess, making it a compelling all-rounder at its price . The sensitive nature rewards cable experimentation, with options like Astral Acoustics Mars enhancing sub-bass or Lavricables Master Silver boosting soundstage . Despite minor accessory shortcomings, its cohesive tuning and titanium craftsmanship justify its position as a standout hybrid .
Symphonium Crimson Details
Driver Configuration: 4BA
Tuning Type: U-Shaped
Brand: Symphonium Top Symphonium IEMs
Price (Msrp): $1,500
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Unique Melody Maven II Details
Driver Configuration: 2DD+4BA+4EST
Tuning Type: Bright, V-Shaped
Brand: Unique Melody Top Unique Melody IEMs
Price (Msrp): $1,799
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Symphonium Crimson User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Unique Melody Maven II User Review Score
Average User Scores
Average User Score:
Based on 1 user reviews
8.2Very Positive
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-Unique Melody Maven II 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
BSymphonium 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.
Unique Melody Maven II Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- It presents a smooth, well-integrated tonal balance that plays nicely with many styles. It maintains natural timbre across the range.
Average Technical Grade
A- It delivers a confident technical showing with defined layers and satisfying clarity. You can follow backing vocals with relative ease.
Symphonium Crimson User Reviews
"This is an example review"
Pros
- Example pro 1
- Example pro 2
Cons
- Example con 1
- Example con 2
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You need to be signed in to write your own reviewUnique Melody Maven II User Reviews
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You need to be signed in to write your own reviewOne of the best sets fitting my neutral warm preference, period.
Pros
Timbre and detail retrieval. Pinna gain elevation is ideal for my HRTF.Cons
Metallic tinge to treble, due to elevation around 6k - a region I'm sensitive and experience canal resonance at.Find your next IEM:
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