Symphonium Crimson and 64 Audio Solo are in-ear monitors. Symphonium Crimson costs $1,500 while 64 Audio Solo costs $1,400. Symphonium Crimson is $100 more expensive. Symphonium Crimson holds a decisive 1.8-point edge in reviewer scores (8.4 vs 6.6). Symphonium Crimson has significantly better bass with a 2.6-point edge, Symphonium Crimson has significantly better mids with a 1.7-point edge, Symphonium Crimson has significantly better treble with a 2-point edge, Symphonium Crimson has significantly better dynamics with a 1-point edge, Symphonium Crimson has significantly better soundstage with a 1.3-point edge, Symphonium Crimson has significantly better details with a 1.1-point edge and Symphonium Crimson has significantly better imaging with a 1.5-point edge.
Insights
Metric | Symphonium Crimson | 64 Audio Solo |
---|---|---|
Bass | 8.6 | 6 |
Mids | 7.7 | 6 |
Treble | 7.5 | 5.5 |
Details | 8.1 | 7 |
Soundstage | 8.3 | 7 |
Imaging | 8.5 | 7 |
Dynamics | 7 | 6 |
Tonality | 8 | 5.9 |
Technicalities | 8.2 | 5.5 |
Symphonium Crimson Aggregated Review Score
Average Reviewer Scores
64 Audio Solo Aggregated Review Score
Average Reviewer Scores
Symphonium Crimson Details
Driver Configuration: 4BA
Tuning Type: U-Shaped
Brand: Symphonium Top Symphonium IEMs
Price (Msrp): $1,500
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64 Audio Solo Details
Driver Configuration:
Tuning Type: n/a
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $1,400
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Symphonium Crimson User Review Score
Average User Scores
Average User Score: n/a
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64 Audio Solo 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
7.1Gaming Grade
A-64 Audio Solo Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
4.6Gaming Grade
CSymphonium Crimson 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+- Very competent with articulate presentation. Well-defined layers and precise imaging. Soundstage is immersive and handles dynamics well.
64 Audio Solo 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.
Symphonium Crimson Reviews
U-shaped/Slight V/W Shaped. Energetic treble. Great tech. Fun signature. Jays Audio Youtube Channel
Great bass, holographic stage and top of the shelf dynamics. Probably my favourite rendition of a W-shaped tuning to this date. Treble might be spicy for some, but using Divinus Velvets (stock black) seem to help a lot.
The bassier Helios with no sacrifices to clarity
Colored tonality done correctly with incredible bass and dynamics. Upper-treble can be slightly too zingy depending on source. Precogvision Youtube Channel
Excellent bass, dynamics, and resolution. Very large soundstage with great imaging. Mid/upper-treble may be too elevated for some.
Suffers from BA bass, and super Zingie Treble. Jaytiss Youtube Channel
64 Audio Solo Reviews
This Planar lines up with the 64 Audio house sound. There are better options for Planars and this sound signature.Super* Review original ranking
Super* Review Youtube Channel
Warm and shimmery with excellent imaging. Dampening in the mid-treble elevates this above the standard planar IEM experience. Precogvision Youtube Channel
It's nice, but is planar and kinda dull. Jaytiss Youtube Channel
Symphonium Crimson User Reviews
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