Fir Audio VxV VS 64 Audio U4s

IEM Comparison: Expert & Community Scores Side-by-Side

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Fir Audio VxV and 64 Audio U4s are in-ear monitors. Fir Audio VxV costs $999 while 64 Audio U4s costs $1,100. 64 Audio U4s is $101 more expensive. 64 Audio U4s holds a decisive 2.2-point edge in reviewer scores (5.9 vs 8.1). 64 Audio U4s has significantly better bass with a 2.5-point edge, 64 Audio U4s has significantly better mids with a 2.2-point edge, 64 Audio U4s has significantly better treble with a 2.2-point edge, 64 Audio U4s has significantly better soundstage with a 1-point edge, 64 Audio U4s has better details with a 0.8-point edge and 64 Audio U4s has significantly better imaging with a 1-point edge.

Insights

Metric Fir Audio VxV 64 Audio U4s
Bass 5.5 8
Mids 6 8.2
Treble 5 7.2
Details 6.5 7.3
Soundstage 6 7
Imaging 6.5 7.5
Dynamics 8 8
Gaming capabilities 5.1 6.5

Fir Audio VxV Aggregated Review Score

Fir Audio VxV Average Reviewer Scores

Shuwa-T

Average Reviewer Score:

5.9

Mixed


64 Audio U4s Aggregated Review Score

64 Audio U4s Average Reviewer Scores

Smirk Audio Jaytiss Precogvision
Super* Review

Average Reviewer Score:

8.1

Very Positive


Fir Audio VxV User Review Score

Fir Audio VxV Average User Scores

Average User Score: n/a

Based on 0 user reviews

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64 Audio U4s User Review Score

64 Audio U4s Average User Scores

Average User Score: n/a

Based on 0 user reviews

No user reviews yet. Be the first one who writes a review!

Fir Audio VxV Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

5.1

Gaming Grade

C+

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

6.5

Gaming Grade

B+

Fir Audio VxV 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.
Bass B-
Average bass performance - present but unremarkable. Has reasonable texture but lacks depth and physicality.
Mids B
Good midrange presence with solid clarity. Vocals are clear and instruments have reasonable texture and body.
Treble C+
Decent treble with acceptable extension and detail. Can sound slightly unrefined but avoids being harsh or sibilant.
Soundstage B
Good soundstage with proper width and depth. Instruments have clear positioning with reasonable front/back placement.
Details B+
Good resolution with clear articulation of nuances. Reveals recording nuances and maintains clarity in complex passages.
Imaging B+
Good imaging with precise instrument placement. Clear localization within the soundstage including front/back positioning.
Gaming C+
Fundamental left/right positioning with limited depth perception. Works for non-competitive gaming but lacks precision. Bad value-to-cost for gaming purpose - not recommended

64 Audio U4s 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-
  • Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Bass A+
Excellent bass response - powerful yet controlled. Deep extension with authoritative slam while maintaining clarity.
Mids A+
Superb midrange that's rich and resolving. Exceptional transparency and micro-details with perfect vocal/instrument balance.
Treble A-
Excellent treble: airy, extended and well-controlled. Great micro-detail retrieval without sibilance or harshness.
Dynamics A+
Superb dynamic range - powerful yet nuanced. Exceptional transient response with lifelike impact and subtle volume gradations.
Soundstage A-
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Details A-
Excellent detail retrieval: highly resolving without being clinical. Effortlessly reveals micro-details and textural subtleties.
Imaging A
Excellent imaging: precise and stable placement. Instruments occupy specific points in space with tangible positions.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Bad value-to-cost for gaming purpose - not recommended

Fir Audio VxV Reviews

Fir Audio VxV reviewed by:

Shuwa-T 5.9 Reviewer Score
B- Tuning
B Tech
Comment: Rabbit cute I guess. Mild V-shape tuning, with decent technical performance Sounds too generic, note weight isn't well defined

Shuwa-T original ranking

Shuwa-T Website

- Shuwa-T
Bass: B- Mids: B Treble: C+ Soundstage: B Details: B+ Imaging: B+

64 Audio U4s Reviews

64 Audio U4s reviewed by:

Smirk Audio 7.8 Reviewer Score
A Tuning
A Tech
A tastefully colored U12t with a more intimate soundstage, a cutback in technicalities, and more bass realism.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

- Smirk Audio
Bass: A+ Mids: A Treble: A Dynamics: A+ Details: A Imaging: A+

64 Audio U4s reviewed by:

Super* Review 9* * score normalized

64 Audio U4s reviewed by:

Jaytiss 7.8 Reviewer Score
A Tuning
A- Tech
It's a solid set, with great build quality, but sonically isn't the specialist that I want it to be.

Jaytiss original ranking

Jaytiss Youtube Channel
- Jaytiss
Mids: S Treble: A- Dynamics: A+ Soundstage: A-

64 Audio U4s reviewed by:

Precogvision 7.7 Reviewer Score
A Tuning
A- Tech
Fantastic colored tonality with options, and the unique technical qualities to back it up. M12/M15 modules recommended.

Precogvision original ranking

Precogvision Youtube Channel
- Precogvision
Bass: A+ Mids: A+ Treble: A- Dynamics: A+ Details: A- Imaging: A-

Fir Audio VxV User Reviews

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64 Audio U4s User Reviews

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