64 Audio U4S VS Unique Melody Maven II
IEM Comparison: Expert & Community Scores Side-by-Side
64 Audio U4S and Unique Melody Maven II use 1DD+3BA and 2DD+4BA+4EST driver setups respectively. 64 Audio U4S costs $1,100 while Unique Melody Maven II costs $1,799. Unique Melody Maven II is $699 more expensive. 64 Audio U4S holds a clear 0.6-point edge in reviewer scores (8.2 vs 7.6). Unique Melody Maven II carries a user score of 8.2. 64 Audio U4S has significantly better mids with a 1.3-point edge, 64 Audio U4S has better treble with a 0.6-point edge, 64 Audio U4S has better dynamics with a 0.7-point edge, 64 Audio U4S has significantly better soundstage with a 1-point edge and Unique Melody Maven II has slightly better details with a 0.3-point edge.
Insights
| Metric | 64 Audio U4S | Unique Melody Maven II |
|---|---|---|
| Bass | 8 | 8 |
| Mids | 7.8 | 6.5 |
| Treble | 6.8 | 6.3 |
| Details | 7.3 | 7.5 |
| Soundstage | 6 | 5 |
| Imaging | 7.5 | 7.5 |
| Dynamics | 7.7 | 7 |
| Tonality | 7.4 | 7.3 |
| Technicalities | 7 | 7.4 |
64 Audio U4S Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.2Very Positive
Unique Melody Maven II Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.6Strongly Favorable
Reviews Comparison
64 Audio U4S reviewed by Smirk Audio
7.8
Reviewer Score
Unique Melody Maven II reviewed by Smirk Audio
7.7
Reviewer Score
64 Audio U4S reviewed by Jaytiss
7.8
Reviewer Score
Jaytiss Youtube Channel
Unique Melody Maven II reviewed by Jaytiss
2025-07-16
6
Reviewer Score
Jaytiss Youtube Channel
64 Audio U4S (more reviews)
64 Audio U4S reviewed by Super* Review
9*
* score normalized
64 Audio U4S reviewed by Audionotions
8.5
Reviewer Score
64 Audio U4S reviewed by Precogvision
7.7
Reviewer Score
Precogvision Youtube Channel
Unique Melody Maven II (more reviews)
Unique Melody Maven II reviewed by IEMRanking AI
9
Reviewer Score
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 .
64 Audio U4S Details
Driver Configuration: 1DD+3BA
Tuning Type: neutral, bass-boosted neutral
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $1,100
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Unique Melody Maven II Details
Driver Configuration: 2DD+4BA+4EST
Tuning Type: Balanced with bass and treble elevation
Brand: Unique Melody Top Unique Melody IEMs
Price (Msrp): $1,799
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64 Audio U4S 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
64 Audio U4S 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
BUnique 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
5.9Gaming Grade
B-64 Audio U4S 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-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Unique Melody Maven II 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-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
64 Audio U4S 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.