Fir Audio E12 VS Metalure Glacier

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

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Fir Audio E12 and Metalure Glacier are in-ear monitors. Fir Audio E12 costs $1,799 while Metalure Glacier costs $1,700. Fir Audio E12 is $99 more expensive. Metalure Glacier holds a decisive 4.5-point edge in reviewer scores (4 vs 8.5). Metalure Glacier has significantly better mids with a 3-point edge, Metalure Glacier has significantly better treble with a 5-point edge, Metalure Glacier has significantly better dynamics with a 4-point edge and Metalure Glacier has significantly better soundstage with a 3-point edge.

Insights

Jaytiss Score
Fir Audio E12
4 /10
Jaytiss Score
Metalure Glacier
8.5 /10
Score gap: 4.5
Metric Fir Audio E12 Metalure Glacier
Mids 4 7
Treble 2 7
Soundstage 5 8
Dynamics 4 8
Tonality 4 7.5
Technicalities 2 7
Take these comparisons with a grain of salt—we don't have enough Fir Audio E12 and Metalure Glacier reviews saved yet to provide an unbiased result.

Jaytiss Reviews Comparison

Fir Audio E12 reviewed by

Jaytiss 4 Reviewer Score
C- Tuning
E+ Tech
Head fi tour inc

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: C- Treble: E+ Dynamics: C- Soundstage: C+

Metalure Glacier reviewed by

2025-10-17
Jaytiss 8.5 Reviewer Score
A Tuning
A- Tech
Slight harshness in the trebble, but competent, lovely set.

Jaytiss original ranking

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

Fir Audio E12 Details

Driver Configuration: n/a

Tuning Type: n/a

Price (Msrp): $1,799

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Metalure Glacier Details

Driver Configuration: n/a

Tuning Type: n/a

Brand: Metalure Top Metalure IEMs

Price (Msrp): $1,700

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Fir Audio E12 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

C-
  • Expect a patchy tonal profile that makes instrumentation feel mismatched. EQ is almost mandatory to tame the response.

Average Technical Grade

E+
  • A foggy, one-dimensional presentation wipes out layering and obscures the finer points of a mix. Spatial cues barely register at all.
Mids C-
It delivers a workable midrange that could benefit from smoother transitions. Timbre isn't quite convincing yet.
Treble E+
Expect a dark-tilted treble that keeps excitement in check. Sibilants are dull, but so is everything else.
Dynamics C-
Dynamics are average—competent yet lacking real excitement. It keeps music listenable but uninspiring.
Soundstage C+
It pushes sound outward confidently while leaving height development as an unfinished idea. Height remains subtle but detectable.

Metalure Glacier Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A
  • Overall balance feels confident and refined, rewarding long listening sessions. A reliable all-rounder for everyday listening.

Average Technical Grade

A-
  • The presentation feels orderly, balancing workable detail retrieval with acceptable imaging cues. It keeps momentum without smearing transients.
Mids A-
Expect lifelike vocals and instruments with impressive nuance and realism. You can easily follow harmonies and backups.
Treble A-
The treble is exquisitely tuned, combining crystal detail with relaxed delivery. Micro-details emerge effortlessly.
Dynamics A+
You get a masterful mix of slam and finesse across every track. Music breathes with realism.
Soundstage A+
Immersive holography surrounds the listener, making the venue feel tangible and enveloping. It delivers a grand, cinematic presentation.

Fir Audio E12 User Reviews

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Metalure Glacier User Reviews

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