Thieaudio Monarch MK3 VS Custom Art Fibae 5

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

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Thieaudio Monarch MK3 and Custom Art Fibae 5 use 2DD+6BA+2EST and 1DD+2BA+2Planar driver setups respectively. Thieaudio Monarch MK3 costs $1,000 while Custom Art Fibae 5 costs $1,100. Custom Art Fibae 5 is $100 more expensive. Thieaudio Monarch MK3 holds a decisive 3.5-point edge in reviewer scores (8.5 vs 5). Thieaudio Monarch MK3 carries a user score of 6.8. Thieaudio Monarch MK3 has significantly better mids with a 2-point edge, Thieaudio Monarch MK3 has significantly better treble with a 4-point edge, Thieaudio Monarch MK3 has significantly better dynamics with a 4-point edge and Thieaudio Monarch MK3 has significantly better soundstage with a 2-point edge.

Insights

Jaytiss Score
Thieaudio Monarch MK3
8.5 /10
Jaytiss Score
Custom Art Fibae 5
5 /10
Score gap: 3.5
Metric Thieaudio Monarch MK3 Custom Art Fibae 5
Mids 7 5
Treble 7 3
Soundstage 8 6
Dynamics 8 4
Tonality 7.5 5
Technicalities 7 3
Take these comparisons with a grain of salt—we don't have enough Thieaudio Monarch MK3 and Custom Art Fibae 5 reviews saved yet to provide an unbiased result.

Jaytiss Reviews Comparison

Thieaudio Monarch MK3 reviewed by

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

Jaytiss original ranking

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

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Price: $999

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Custom Art Fibae 5 reviewed by

Jaytiss 5 Reviewer Score
C+ Tuning
D Tech
It's the case of the treble being to peaky that it doesn't sound right.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: C+ Treble: D Dynamics: C- Soundstage: B

Thieaudio Monarch MK3 Details

Driver Configuration: 2DD+6BA+2EST

Tuning Type: U-Shaped

Top U-Shaped IEMs

Brand: ThieAudio Top ThieAudio IEMs

Price (Msrp): $1,000

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$999
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Custom Art Fibae 5 Details

Driver Configuration: 1DD+2BA+2Planar

Tuning Type: n/a

Price (Msrp): $1,100

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Thieaudio Monarch MK3 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-
  • You get a controlled, composed performance, marrying decent clarity with a still-modest sense of space. A safe technical performer for the price bracket.
Mids A-
The mids sound lush and articulate, capturing emotion effortlessly. Strings and keys shimmer with realism.
Treble A-
Treble performance is excellent—airy, extended, and beautifully controlled. It reveals subtle studio ambiance.
Dynamics A+
It captures both explosive hits and delicate shifts with lifelike realism. Micro-dynamics shimmer through the mix.
Soundstage A+
Three-dimensional layering becomes effortless, placing performers on a lifelike virtual stage. Venue ambience wraps around convincingly.

Custom Art Fibae 5 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

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

Average Technical Grade

D
  • Textural information blurs together, making the stage feel pinched and gray. Instrument edges blur together frequently.
Mids C+
The mids are solid and dependable, though not especially remarkable. Vocals stay reasonably grounded in the mix.
Treble D
Highs feel erratic, with dips and spikes that make the signature unpredictable. It alternates between splashy and dull.
Dynamics C-
Dynamics are average—competent yet lacking real excitement. It keeps music listenable but uninspiring.
Soundstage B
Lateral spread stretches comfortably while front/back cues start to feel convincing. You can trace front-to-back movement.

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.

Custom Art Fibae 5 User Reviews

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0.0

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