Thieaudio Monarch Mk2 VS Yu9 Que
IEM Comparison: Expert & Community Scores Side-by-Side
Thieaudio Monarch Mk2 and Yu9 Que use 1DD+6BA+2EST and 1DD+3BA driver setups respectively. Thieaudio Monarch Mk2 costs $1,000 while Yu9 Que costs $409. Thieaudio Monarch Mk2 is $591 more expensive. Yu9 Que holds a slight 0.3-point edge in reviewer scores (8 vs 8.2). Yu9 Que has significantly better bass with a 1.4-point edge, Yu9 Que has better treble with a 0.5-point edge and Yu9 Que has better dynamics with a 0.9-point edge.
Insights
| Metric | Thieaudio Monarch Mk2 | Yu9 Que |
|---|---|---|
| Bass | 6.8 | 8.2 |
| Mids | 8.4 | 8.5 |
| Treble | 7.5 | 8 |
| Details | 7.6 | 7.6 |
| Soundstage | 8 | 8.1 |
| Imaging | 7.4 | 7.6 |
| Dynamics | 6.5 | 7.4 |
| Tonality | 8 | 8.3 |
| Technicalities | 7.8 | 7.7 |
Thieaudio Monarch Mk2 Aggregated Review Score
Average Reviewer Scores
Yu9 Que Aggregated Review Score
Average Reviewer Scores
Thieaudio Monarch Mk2 Details
Driver Configuration: 1DD+6BA+2EST
Tuning Type: bass-boosted neutral
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $1,000
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Yu9 Que Details
Driver Configuration: 1DD+3BA
Tuning Type: Neutral with bass boost
Price (Msrp): $409
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Thieaudio Monarch Mk2 User Review Score
Average User Scores
Average User Score: n/a
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Yu9 Que User Review Score
Average User Scores
Average User Score: n/a
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Thieaudio Monarch Mk2 Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.9Gaming Grade
B+Yu9 Que Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.4Gaming Grade
A-Thieaudio Monarch Mk2 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- Refined execution with coherent frequency integration. Natural timbre reproduction and engaging presentation. Strong versatility.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Yu9 Que Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- Refined execution with coherent frequency integration. Natural timbre reproduction and engaging presentation. Strong versatility.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
Thieaudio Monarch Mk2 Reviews
9*
* score normalized
8.5
Reviewer Score
Neutral tuning with one of the clearest mid-ranges. Natural and clean vocals. Great resolution, separation, and detail. Can be a little dry with its analytical presentation. Bass is well-seperated from other instruments, but nothing special especially at $1K. Would've liked more depth, and treble is also a bit unstable and dips, resulting in a lack of air/depth. Mid-bass is just enough for my library, but would've liked more for genres like hiphop and rock. Cable is heavy, and fit may be too big for many (need to shove in deep). Jays Audio Youtube Channel
8.5
Reviewer Score
Too much unit variation to recommend to others highly. Jaytiss Youtube Channel
8.5
Reviewer Score
8
Reviewer Score
Outstanding tuning. Smooth, balanced tuning with natural vocals, beautiful timbre, and excellent tonality. Detail and could use more bass. Treble depends on ear tips.Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
7.9
Reviewer Score
Organic midrange Wooly bass response and less prominent treble may not work best for certain genres
7.6
Reviewer Score
Good treble with tons of air. Forward, ethereal mids. Good detail retrieval with tons of microdetails. Lackluster mid-bass.
7.5
Reviewer Score
Cohesive, smooth, balanced, technical slight treble wispiness Tim Tuned Youtube Channel
7.1
Reviewer Score
11/10 mid-range. Mid-bass could use more texture and stage depth could be better. Yap, that's all. Oh and the fit - I'm blessed, but you may not be.
7
Reviewer Score
A solid improvement in imaging with slightly more palatable tonality than its predecessor. Precogvision Youtube Channel
Yu9 Que Reviews
Jaytiss
2025-08-09
9.1
Reviewer Score
Clean neutral nice mids. This iem is dumb, just buy it. Jaytiss Youtube Channel
The YU9 Que sports a premium, durable resin shell in pure black with a metallic-feeling faceplate and a comfortable design featuring an anti-tragus catch. While the build itself feels handsome and unique, the included cable is criticized as wimpy and unpleasant, with a strong suggestion to upgrade it. Accessories are deemed solid, including a nice selection of tips and a particularly praised case with a soft, luxurious interior.
Sonically, the YU9 Que earns immense praise for its exceptional tuning, described as clean, resolute, and non-fatiguing. It delivers strong, textured bass that avoids being overwhelming, coupled with extremely well-done upper mids. While not class-leading in technicalities like micro-detail or instrument separation, its tonal balance is considered sophisticated and reminiscent of far more expensive sets like the Annihilator, even surpassing the Monarch MKII in tuning preference. It's highlighted as a fantastic all-rounder with a smooth, agreeable signature suitable for long listening sessions.
Despite its modest single dynamic driver + 3BA configuration and $49 price point, the YU9 Que is declared a very special and unique IEM, worthy of the hype it received. The review concludes it's a price leader and a highly competent package from a small brand, offering outstanding value and a beautiful, well-executed design that makes it an easy recommendation for those seeking a smooth, non-fatiguing sound.
Precogvision
2025-09-17
7.3
Reviewer Score
Exceptional tuning and treble refinement; sets the benchmark at $400. Precogvision Youtube Channel
IEMRanking AI
2025-09-19
8.3
Reviewer Score
The YU9 Que is a hybrid IEM using 1 dynamic driver + 3 balanced armatures, positioned in the mid-upper price tier with an MSRP around $399. Retail listings confirm the configuration (10 mm LF DD with three Knowles BA units) and current pricing in USD and MYR, placing it among competitors that emphasize tonal refinement over sheer technical fireworks.
Community impressions describe a balanced/neutral tonality with a tasteful bass lift, smooth upper-mids that avoid glare, and treble that leans non-sibilant. Subjective reports on Head-Fi and Reddit consistently frame the Que as an all-rounder that favors coherence and long-term listenability over maximum micro-detail.
Technically, listeners note solid imaging and macrodynamics with competent detail retrieval, though not class-leading for the price. The manufacturer has also published frequency-response plots (IEC711 and BK5128 rigs), which aligns with the community’s take that the Que targets a broadly neutral/balanced signature rather than an aggressive V-shape. Overall value is credible at its MSRP if you prioritize tonal balance and comfort over ultra-analytical presentation.
Thieaudio Monarch Mk2 User Reviews
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