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Symphonium Audio Meteor vs THIEAUDIO Monarch MKIV: which should you buy?

On aggregated review scores the THIEAUDIO Monarch MKIV comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: THIEAUDIO Monarch MKIV - Outstanding overall at around $1149.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

THIEAUDIO Monarch MKIV leads on 2 of 4 measures.

  • Symphonium Audio Meteor
  • THIEAUDIO Monarch MKIV
HearWiki score
72
84
Sound
8.6
9.4
Value
7.6
7.6
Price (USD)
$600
$1,150

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The THIEAUDIO Monarch MKIV is 3 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 3 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • Meteor2022
  • Monarch MKIV20253 yr newer

Specifications

MeteorMonarch MKIV
Type
Wired IEMs
Wired IEMs
Price (USD)
$600
$1,150
HearWiki score
72
84
Released
2022
2025
Availability
Discontinued
Sold new
Driver
balanced armature
2DD + 6BA + 2EST tribrid
Driver type
balanced-armature
tribrid
Driver configuration
-
2DD + 6BA + 2EST
Driver size
-
8 mm
Drivers per side
-
10
Impedance
9.7 Ω
-
Connector
2-pin 0.78 mm
-

What reviewers said

Symphonium Audio Meteor

The Symphonium Audio Meteor is a compact, wired IEM that delivers a lively U-shaped sound signature with punchy bass and crisp, extended treble. Its balanced armature driver and lightweight build make for a comfortable, technically capable listen, though the aesthetic design may not appeal to everyone.

  • Pro:Excellent bass impact and treble extension
  • Pro:Compact, comfortable fit
  • Pro:Good technical performance for the price
  • Con:U-shaped tuning may not suit all tastes
  • Con:Faceplate design is underwhelming

THIEAUDIO Monarch MKIV

The Monarch MKIV is a flagship in-ear monitor built around a ten-driver tribrid configuration, blending dual 8mm dynamic drivers, six balanced armatures, and two electrostatic tweeters. It offers a studio-neutral sound signature with an additional switchable bass-boost mode for listeners who prefer a more impactful low end.

  • Pro:Reference-grade neutral tuning with excellent clarity
  • Pro:Versatile bass boost mode adds flexibility
  • Pro:Detailed and extended treble from electrostatic tweeters
  • Con:High price point limits accessibility
  • Con:Requires a capable source to perform at its best
  • Con:Large shell may not suit smaller ears

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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