64 Audio Volr VS Fir Audio M4

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

Home Ranking Compare IEMs

64 Audio Volr and Fir Audio M4 use 2DD+8BA and 1DD+3BA driver setups respectively. 64 Audio Volr costs $2,500 while Fir Audio M4 costs $1,900. 64 Audio Volr is $600 more expensive. 64 Audio Volr holds a decisive 2.5-point edge in reviewer scores (8.4 vs 6). 64 Audio Volr has significantly better bass with a 4.5-point edge, 64 Audio Volr has significantly better mids with a 1.5-point edge, 64 Audio Volr has significantly better treble with a 3-point edge, 64 Audio Volr has significantly better details with a 3-point edge and 64 Audio Volr has significantly better imaging with a 1.5-point edge.

Insights

Metric 64 Audio Volr Fir Audio M4
Bass 8.5 4
Mids 7 5.5
Treble 7.5 4.5
Details 8 5
Soundstage 8.4 7
Imaging 8 6.5
Dynamics 8 6
Tonality 7.9 5.6
Technicalities 8.3 6.4
Take these comparisons with a grain of salt—we don't have enough 64 Audio Volr and Fir Audio M4 reviews saved yet to provide an unbiased result.

64 Audio Volr Aggregated Review Score

Average Reviewer Scores

Smirk Audio
Yifang Head-Fi.org

Average Reviewer Score:

8.4

Very Positive

Fir Audio M4 Aggregated Review Score

Average Reviewer Scores

Shuwa-T
Crin

Average Reviewer Score:

6

Mixed

Reviews Comparison

64 Audio Volr (more reviews)

64 Audio Volr reviewed by Yifang

Yifang 8.5 Reviewer Score
A+ Tuning
S- Tech
check links for more info:

Yifang original ranking

Yifang Youtube Channel

64 Audio Volr reviewed by Smirk Audio

Smirk Audio 7.9 Reviewer Score
A Tuning
A+ Tech
Well-textured, satisfying bass. Vocal timbre is slightly off. Upper-treble peak can get a little hot. Cons: Unnatural vocal timbre.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

Bass: S- Mids: A- Treble: A Dynamics: A+ Details: A+ Imaging: A+

64 Audio Volr reviewed by Head-Fi.org

Head-Fi.org 8.8 * score rescaled + normalized
3 community members have rated the 64 Audio Volr at an average of 4.7/5 on Head-Fi. Overall sentiment: Exceptional.

URL to full Review

Head-Fi.org original ranking

Fir Audio M4 (more reviews)

Fir Audio M4 reviewed by Crin

Crin 6.5 Reviewer Score
B+ Tuning
B+ Tech
Too similar to the M3 to be worth the price markup.

Crin original ranking

Crin Youtube Channel

Fir Audio M4 reviewed by Shuwa-T

Shuwa-T 5.4 Reviewer Score
C Tuning
B Tech
Comment: Warm and lush midrange. Soundstage is surprisingly wide, midrange focused tuning Note definition is strangely subpar despite treble boost

Shuwa-T original ranking

Shuwa-T Website

Bass: C- Mids: B- Treble: C Soundstage: A- Details: C+ Imaging: B+

64 Audio Volr User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Fir Audio M4 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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64 Audio Volr Gaming Score

Gaming Score & Grade

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

Gaming Score

6.6

Gaming Grade

B+

Fir Audio M4 Gaming Score

Gaming Score & Grade

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

Gaming Score

4.6

Gaming Grade

C

64 Audio Volr Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A
  • You get a polished tonal profile that stays natural from bass through treble. Subtle tuning choices keep things engaging.

Average Technical Grade

A+
  • Layering is confident and precise, backed by imaging that locks elements firmly in place. Micro-details peek through without sounding forced.
Bass S-
The bass digs deep with authority while staying impeccably textured. No sense of bloom muddies the mids.
Mids A-
Midrange performance is excellent, with natural timbre and great detail. Vocals feel lifelike and full-bodied.
Treble A
Treble performance is excellent—airy, extended, and beautifully controlled. It reveals subtle studio ambiance.
Dynamics A+
Expect thrilling dynamics that move effortlessly from whispers to roars. Explosive moments sound thrilling.
Details A+
Inner textures glow vividly yet never feel etched or artificial. It borders on studio-monitor transparency.
Imaging A+
Instruments feel carved into space with unwavering positional stability. Instruments occupy palpable coordinates.
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 M4 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B-
  • Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

B
  • Technical ability is serviceable, keeping basic detail intact across simpler tracks. It keeps up with acoustic tracks without much fuss.
Bass C-
Bass stays subdued, content to hover in the background. It keeps things tidy, yet unremarkable.
Mids B-
The region sounds agreeable overall, delivering clarity without flashiness. Slight warmth keeps things easy-going.
Treble C
The top end sounds acceptable but lacks the smoothness of higher tiers. Air is hinted at more than delivered.
Soundstage A-
Immersion steps up dramatically as width, depth, and height integrate into a cohesive hologram. Everything sounds naturally spaced.
Details C+
Decent detail retrieval that handles most textures while leaving some micro-information understated. Most textures come through cleanly.
Imaging B+
Good imaging with precise instrument placement and clear front/back localization. Positions snap into place convincingly.
Gaming C
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical. Bad value-to-cost for gaming purpose - not recommended

64 Audio Volr User Reviews

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Fir Audio M4 User Reviews

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