Thieaudio Monarch Mk2 and Moondrop S8 use 1DD+6BA+2EST and 8BA driver setups respectively. Thieaudio Monarch Mk2 costs $1,000 while Moondrop S8 costs $700. Thieaudio Monarch Mk2 is $300 more expensive. Thieaudio Monarch Mk2 holds a clear 0.5-point edge in reviewer scores (8.1 vs 7.6). Thieaudio Monarch Mk2 carries a user score of 8.5. Thieaudio Monarch Mk2 has better mids with a 0.9-point edge, Moondrop S8 has slightly better treble with a 0.3-point edge, Thieaudio Monarch Mk2 has better dynamics with a 0.8-point edge, Thieaudio Monarch Mk2 has better soundstage with a 0.5-point edge, Moondrop S8 has slightly better details with a 0.4-point edge and Moondrop S8 has slightly better imaging with a 0.3-point edge.
Insights
Metric | Thieaudio Monarch Mk2 | Moondrop S8 |
---|---|---|
Bass | 6.8 | 6.6 |
Mids | 8.4 | 7.5 |
Treble | 7.5 | 7.8 |
Details | 7.6 | 8 |
Soundstage | 8 | 7.5 |
Imaging | 7.4 | 7.7 |
Dynamics | 6.5 | 5.7 |
Tonality | 8.1 | 7.3 |
Technicalities | 7.8 | 7.5 |
Thieaudio Monarch Mk2 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.1Very Positive
Moondrop S8 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.6Strongly Favorable
Reviews Comparison
Thieaudio Monarch Mk2 reviewed by Super* Review
Youtube Video Summary
Build & fit: Premium presentation with a handsome “lava” faceplate and a cloth-sheathed cable featuring swappable terminations—useful, but the connector is bulky enough to be unwieldy. The shell itself is very large and can be tricky for many ears, affecting seal and even bass response. Comfort and security are not strong suits. Tip rolling helps; AZLA AirFit Light tips improved seal and tamed occasional treble bite.
Sound: A neutral, mid-forward tuning with a tasteful sub-bass lift, clean lower treble, and excellent extension. Midrange detail pops with fine micro-contrast, while treble remains smooth—evoking that easy, HD600-like effortlessness. Stage is wide with standout imaging and layering. The trade-off is a lean lower-mid/mid-bass region (that “Harman dip”), which can make non-bass-heavy music feel a bit dry and clinical, reducing perceived depth and visceral impact.
Comparisons & verdict: Versus Moondrop’s stable, Blessing 2 still offers a fuller, more linear low end and remains the more all-round pick; S8 brings superb treble and mid detail with similarly lean bass; Campfire Aura dazzles with holographic imaging and surprisingly satisfying BA bass, though its tonality is quirkier. Monarch MKII earns a solid 4/5 for tonal balance, resolution, and imaging—but the size/fit caveat is serious, and the lean bass means it won’t dethrone Blessing 2 for those craving warmth or body. Demo first; if it fits and that crisp neutrality appeals, it’s a fantastic listen.
Super* Review original ranking
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Moondrop S8 reviewed by Super* Review
Youtube Video Summary
Striking design meets smart ergonomics: a crystal-clear acrylic shell that looks glass-polished, with noticeably cleaner clarity than Blessing 2/Dusk. The fit is more contoured and effortless, thanks to slightly narrower nozzles; isolation is immense because it’s an unvented all-BA set, which also means some ear pressure for the uninitiated. Cable, case, and tips mirror the Blessing 2 bundle—serviceable if not premium.
Tuning sits in lean-neutral with a sub-bass lift: not a basshead set, but sub-bass presence is satisfying. As with most BA bass, it won’t move air like a DD; versus Blessing 2 Dusk the low end is considered weaker, yet it outclasses sets like the Dunu SA6 for punch and definition. The midrange delivers excellent detail and micro-contrast, tracking closely to Dusk’s slimmer mids rather than the warmer original B2. The showstopper is the treble—clean, airy, and refined with zero grit, pairing with wider-than-B2 staging (a “wraparound” feel toward ~180°) for standout imaging, separation, and layering. Among BA references, only benchmarks like 64 Audio U12t or Campfire Ara come to mind as peers for bass quality and overall finesse.
At $700, the value question hinges on priorities: dynamic-driver bass lovers may lean Monarch/Clairvoyance, but for those chasing mid/treble purity and effortless technicalities, S8 is special. Gorgeous build, secure fit, and a treble performance that feels best-in-class coalesce into an easy recommendation—ultimately earning a full 5/5 in this take.
Super* Review original ranking
Super* Review Youtube ChannelThieaudio Monarch Mk2 reviewed by Jaytiss
Youtube Video Summary
Build & accessories: Compact shell with a slightly old-school shape and flat 2-pin connectors, secure fit, and a nozzle some may find a bit much. The package includes Thieaudio’s large, sturdy case, multiple tips, a cleaning brush, and a fabric-sheathed stock cable with a solid chin slider and a durable Y-split. The cable’s modular plug system (2.5/3.5/4.4) locks in confidently and feels well made.
Sound: a neutral foundation with a dash of fun—clean upper mids, tasteful sparkle, and tight, articulate bass. Unit variance shows on graphs (his sample reads a bit bassier with slightly more treble vs other measurements), but the core tuning stays intact: rich mids, smooth presence, and airy extension that present music as natural, wide, and open. Versus Monarch MKIII, this MKII feels less bright and less fatiguing, with fuller mids. Compared to Annihilator 2023, MKII is flatter and more even (Annihilator hits harder and has a 10k zing some hear as “fake”). Against Lime Ears Tera, MKII is a touch warmer and easier; versus the pricier Europa, it tracks similarly on paper but wins on comfort and value; and it offers more body than budget darlings like Hexa, which can come off lean.
Verdict: a high-tier all-rounder prized for midrange timbre, air/detail, note weight, and imaging. It reads neutral-natural with just enough excitement to stay engaging over long sessions. Personal taste and fit still matter—always demo if possible—but within this preference space, Monarch MKII remains a special, well-balanced choice that continues to earn its spot among top IEMs.
Jaytiss Youtube Channel
Moondrop S8 reviewed by Jaytiss
Thieaudio Monarch Mk2 reviewed by Crin
Youtube Video Summary
Thieaudio Monarch Mk2 stays a top-tier pick by balancing excellent tonality with solid, price-appropriate technicalities. The tuning sits close to the current meta, with a slight dip in the lower mids and a noticeable 6 kHz emphasis that adds sparkle and energy. It’s the “spice” to the Mega5-EST’s plain water—still coherent and controlled, but with extra fizz that makes music feel lively. While resolution doesn’t chase the extremes of Elysian Annihilator or Softears RS10, within the $999 bracket the performance remains compelling, making it an easy recommendation among kilobuck IEMs.
Build and accessories are straightforward: a full-resin shell with metal nozzle, a cloth-sheathed cable featuring interchangeable 3.5 / 2.5 / 4.4 terminations, and a proper case with silicone and foam tips. The fiery orange faceplate is the sole colorway. The catch is fit—the shell is large, and for smaller ears that can be a deal-breaker; no sound quality matters if it won’t seal comfortably. For those wanting a near-perfect meta hit with less treble spice, Hisenior Mega5-EST is noted as the safer tonal bullseye.
Choose Monarch Mk2 if a slightly V-leaning, meta-aligned tuning with engaging upper-presence appeals, and if the ear geometry can handle the chunky shell. Skip it if chasing max detail retrieval above all else, craving a more pronounced V-shape (consider Monarch Mk3 instead), or if fit is uncertain. The overall verdict: impeccable tuning paired with good—if not summit—technical chops keeps Monarch Mk2 at the top of the ranking conversation without needing boutique pricing.
Crin Youtube Channel
Moondrop S8 reviewed by Crin
Crin Youtube Channel
Thieaudio Monarch Mk2 reviewed by Gizaudio Axel
Gizaudio Axel original ranking
Gizaudio Axel Youtube ChannelMoondrop S8 reviewed by Gizaudio Axel
Gizaudio Axel original ranking
Gizaudio Axel Youtube ChannelThieaudio Monarch Mk2 reviewed by Shuwa-T
Moondrop S8 reviewed by Shuwa-T
Thieaudio Monarch Mk2 reviewed by Smirk Audio
Moondrop S8 reviewed by Smirk Audio
Thieaudio Monarch Mk2 reviewed by Tim Tuned
Tim Tuned Youtube Channel
Moondrop S8 reviewed by Tim Tuned
Youtube Video Summary
The Moondrop S8 mirrors the tonal balance of the Blessing 2 Dusk—similar bass level, natural mids, solid upper-mid presence, and extended treble—but distinguishes itself in execution. Bass is notably smoother; where Dusk can feel a bit forced/dry on bass-heavy tracks, S8 stays composed and fluid. Midrange carries a touch of classic BA timbre—notes sound lighter and a bit weightless versus Dusk’s more grounded “natural weight”—yet resolution and clarity remain excellent. Up top, energy is a step higher, giving female vocals a fuller, more effortless presence.
What sells the S8 is how cohesive and refined the whole package feels: transitions are seamless, detail retrieval is clean, and the tuning reads as a polished, more elegant take on the Dusk’s recipe. It’s effectively the Dusk, elevated—smoother bass, airier sparkle, and a more effortless overall presentation—making it a standout choice for listeners who prioritize clarity and treble openness without sacrificing balance. Among Moondrop’s lineup in this guide, S8 comes across as the most complete and the most compelling upgrade for a refined, reference-leaning sound.
Tim Tuned Youtube Channel
Thieaudio Monarch Mk2 reviewed by Precogvision
Precogvision Youtube Channel
Moondrop S8 reviewed by Precogvision
Precogvision Youtube Channel
Thieaudio Monarch Mk2 (more reviews)
Thieaudio Monarch Mk2 reviewed by Jays Audio
Jays Audio Youtube Channel
Thieaudio Monarch Mk2 reviewed by Yifang
Thieaudio Monarch Mk2 reviewed by Nymz
Thieaudio Monarch Mk2 reviewed by Head-Fi.org
Moondrop S8 (more reviews)
Moondrop S8 reviewed by Bad Guy Good Audio
Youtube Video Summary
Moondrop S8 makes a strong first impression: a gorgeous build, clean shells, and a presentation that feels premium without pretending to be leather-clad luxury. The design keeps it simple—no tuning switches—and packs three different types of balanced armatures, hinting at a deliberate, all-BA execution. Moondrop’s track record is front of mind here: Kanas Pro, KXXS, and the A8 (the S8’s predecessor) stay on the “constant recs” list, while the Blessing line isn’t spared criticism despite the hype.
The included cable looks copper-like, is soft and supple, and uses a right-angle plug with Moondrop branding on the Y-split—though there’s no chin slider. Past Moondrop cable quirks get a nod, but this one appears solid on first inspection. Accessory fitment and finish are treated with care (no scratching those caps), and anticipation centers on the FR graph: if it doesn’t “graph like a disaster,” S8 is poised to be a winner. For now, it’s all about the music, the look, and a tuning that—if it tracks—could push this set straight into the recommendation zone.
Bad Guy Good Audio original ranking
Bad Guy Good Audio Youtube ChannelMoondrop S8 reviewed by Audionotions
Thieaudio Monarch Mk2 Details
Driver Configuration: 1DD+6BA+2EST
Tuning Type: Neutral with Bass Boost
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $1,000
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Moondrop S8 Details
Driver Configuration: 8BA
Tuning Type: U-Shaped
Brand: Moondrop Top Moondrop IEMs
Price (Msrp): $700
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Thieaudio Monarch Mk2 User Review Score
Average User Scores
Average User Score:
Based on 1 user reviews
8.5Excellent
Moondrop S8 User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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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+Moondrop S8 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+Thieaudio Monarch Mk2 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- It delivers a coherent, natural timbre that remains captivating across genres. Acoustic instruments sound lifelike and textured.
Average Technical Grade
A- Overall technical control is strong, presenting instruments with clarity and sensible staging. Textures are portrayed with satisfying clarity.
Moondrop S8 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- It balances warmth and clarity well, showing only minor quirks along the way. Timbre feels believable with most instruments.
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.
Thieaudio Monarch Mk2 User Reviews
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You need to be signed in to write your own reviewMy vocal magic
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Vocals that make you smile. THE most musical set for me.Cons
Bass is okay for the price. Very occasional upper-mid sharpnessMoondrop S8 User Reviews
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