Thieaudio Monarch MK3 VS I/O Volare

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

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Thieaudio Monarch MK3 and I/O Volare use 2DD+6BA+2EST and 1DD+4BA+4EST driver setups respectively. Thieaudio Monarch MK3 costs $1,000 while I/O Volare costs $600. Thieaudio Monarch MK3 is $400 more expensive. Thieaudio Monarch MK3 holds a decisive 1.1-point edge in reviewer scores (8.1 vs 7). Thieaudio Monarch MK3 carries a user score of 6.8. Thieaudio Monarch MK3 has better mids with a 0.7-point edge, Thieaudio Monarch MK3 has significantly better treble with a 1.5-point edge, Thieaudio Monarch MK3 has significantly better dynamics with a 2.3-point edge, Thieaudio Monarch MK3 has better soundstage with a 0.8-point edge, I/O Volare has slightly better details with a 0.3-point edge and I/O Volare has better imaging with a 0.6-point edge.

Insights

Metric Thieaudio Monarch MK3 I/O Volare
Bass 7.5 7.5
Mids 7.7 7
Treble 7.8 6.3
Details 7.8 8
Soundstage 8 7.3
Imaging 7.4 8
Dynamics 7.3 5
Tonality 7.8 7.2
Technicalities 7.8 6.9

Thieaudio Monarch MK3 Aggregated Review Score

Average Reviewer Scores

Smirk Audio Tim Tuned Precogvision Nymz Fresh Reviews
Jays Audio Jaytiss Shuwa-T Gizaudio Axel
Z-Reviews

Average Reviewer Score:

8.1

Very Positive


I/O Volare Aggregated Review Score

Average Reviewer Scores

Fresh Reviews
Jaytiss Super* Review
Shuwa-T Jays Audio

Average Reviewer Score:

7

Cautiously Favorable


Thieaudio Monarch MK3 User Review Score

Average User Scores

Average User Score:

Based on 1 user reviews

6.8

Cautiously Favorable

I/O Volare User Review Score

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!

Thieaudio Monarch MK3 Gaming Score

Gaming Score & Grade

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

Gaming Score

7.5

Gaming Grade

A

I/O Volare Gaming Score

Gaming Score & Grade

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

Gaming Score

6

Gaming Grade

B

Thieaudio Monarch MK3 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
  • Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Bass A
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids A
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble A
Excellent treble: airy, extended and well-controlled. Great micro-detail retrieval without sibilance or harshness.
Dynamics A-
Excellent dynamics with great contrast and speed. Transients are crisp and micro-details are clearly articulated.
Soundstage A+
Exceptional soundstage with holographic imaging. Creates a truly three-dimensional space where instruments float naturally around you.
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 A
Clear spatial presentation handles directional cues effectively. Distinguishes key gameplay sounds while maintaining decent immersion. Bad value-to-cost for gaming purpose - not recommended

I/O Volare Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.

Average Technical Grade

B+
  • Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Bass A
Strong, well-defined bass with good texture. Delivers satisfying punch and rumble without overwhelming other frequencies.
Mids A-
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble B
Good treble response - clear and detailed without fatigue. Well-extended with proper air and sparkle.
Dynamics C+
Decent dynamic performance. Good macro-contrast but micro-dynamics could be more nuanced. Satisfactory impact.
Soundstage A-
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Details A+
Exceptional resolution that uncovers the deepest layers. Retrieves even the most minute details while maintaining natural timbre.
Imaging A+
Exceptional imaging with holographic precision. Creates a palpable sense of physical placement with perfect positional stability.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. Bad value-to-cost for gaming purpose - not recommended

Thieaudio Monarch MK3 Reviews

Z-Reviews 10 * score normalized
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Price: $999

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Jays Audio 8.5 Reviewer Score
S Tuning
S- Tech
Better low-end texture and overall more engaging than MK2, but lacks the mid-range/vocal magic, so depending on your preference either is great. Still TOTL tech like MK2. Great all-rounder.

Jays Audio original ranking

Jays Audio Youtube Channel
- Jays Audio
Jaytiss 8.5 Reviewer Score
A Tuning
A- Tech
Fatiging at times for me, too fun at times.

Jaytiss original ranking

Jaytiss Youtube Channel
- Jaytiss
Mids: A- Treble: A- Dynamics: A+ Soundstage: A+
Shuwa-T 8.2 Reviewer Score
A+ Tuning
A+ Tech
Better bass response compared to the mk2 Trades off the lush midrange in place of a cleaner sounding, almost boring midrange

Shuwa-T original ranking

Shuwa-T Website

- Shuwa-T
Bass: S- Mids: A+ Treble: A+ Soundstage: A+ Details: A+ Imaging: S-
Gizaudio Axel 8 Reviewer Score
A Tuning
A+ Tech
I prefer the Monarch MK II for its tonality, vocals, and timbre, but I get why some prefer the MK III. More bass, treble, and detail than the Monarch MK II. The vocal magic of the Monarch MK II is gone.

Gizaudio Axel original ranking

Gizaudio Axel Youtube Channel
- Gizaudio Axel
Smirk Audio 7.9 Reviewer Score
A Tuning
A+ Tech
Elevated, well-textured mid-bass. Pleasant mids. Elevated upper-treble may be pesky to some.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

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

Tim Tuned

2025-08-14
Tim Tuned 7.5 Reviewer Score
A Tuning
S Tech
MK2 but more fun and more V-shape Not as natural in timbre

Tim Tuned original ranking

Tim Tuned Youtube Channel
- Tim Tuned
Bass: A+ Mids: A+ Treble: A+
Precogvision 7.3 Reviewer Score
A- Tuning
A- Tech
Still perplexingly poor bass performance, but improves upon the Monarch MKII's treble extension noticeably.

Precogvision original ranking

Precogvision Youtube Channel
- Precogvision
Bass: B Mids: A+ Treble: A+ Dynamics: B Details: A+ Imaging: A-
Nymz 7.1 Reviewer Score
A- Tuning
B+ Tech
An improvement in the bass and treble department over the Mk2, but without the same special sauce in the mid-range and with some imaging problems still.

Nymz original ranking

Nymz Website

- Nymz
Bass: A- Mids: A- Treble: A+ Details: A- Imaging: B
Fresh Reviews 7* * The score of this reviewer influences only the Gaming Score
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Using this affiliate link for ordering your Thieaudio Monarch MK3 or any other IEM helps fund our free service at no extra cost to you.

Price: $999

Buy Thieaudio Monarch MK3 on Aliexpress

I/O Volare Reviews

Shuwa-T 7.6 Reviewer Score
A- Tuning
A Tech
Balanced subbass-focused tuning that borders the fine line between technical and boring, well extended treble that remains free of sibilance The lower midrange does not sound the most natural despite how funny squiggly lines look

Shuwa-T original ranking

Shuwa-T Website

- Shuwa-T
Bass: A Mids: A- Treble: A Soundstage: A Details: A+ Imaging: A+
Jays Audio 7.5 Reviewer Score
S- Tuning
A+ Tech
Best Harman IEM under $600 (my unit is less harman), smooth and natural, great layering and tech, bass texture could be better/not as good as Oracle MK3, but overall very balanced and great all-rounder, also, amazing unboxing and accessories

Jays Audio original ranking

Jays Audio Youtube Channel
- Jays Audio
Jaytiss 6.8 Reviewer Score
B- Tuning
C+ Tech
Nice overall quality.

Jaytiss original ranking

Jaytiss Youtube Channel
- Jaytiss
Mids: A- Treble: C+ Dynamics: C+ Soundstage: A-
Super* Review 6* * score normalized
If you are looking for the most bang for your buck in terms of the costs of materials - this is it. But not the most interesting sound.

Super* Review original ranking

Super* Review Youtube Channel
- Super* Review
Fresh Reviews 5* * The score of this reviewer influences only the Gaming Score

Thieaudio Monarch MK3 User Reviews

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Makavelian
6.8

If this is what 'fun' sounds like, I ain't about it.

Pros
Detail retrieval
Cons
Recessed mids and odd timbre.

I/O Volare User Reviews

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0.0

"This is an example review"

Pros
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