Thieaudio Monarch Mk2 and Lime Ears Terra use 1DD+6BA+2EST and 1DD+5BA driver setups respectively. Thieaudio Monarch Mk2 costs $1,000 while Lime Ears Terra costs $1,200. Lime Ears Terra is $200 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 bass with a 0.8-point edge, Thieaudio Monarch Mk2 has significantly better mids with a 1.9-point edge, Thieaudio Monarch Mk2 has better treble with a 0.5-point edge, Thieaudio Monarch Mk2 has significantly better details with a 1.6-point edge and Thieaudio Monarch Mk2 has significantly better imaging with a 1.4-point edge.
Insights
Metric | Thieaudio Monarch Mk2 | Lime Ears Terra |
---|---|---|
Bass | 6.8 | 6 |
Mids | 8.4 | 6.5 |
Treble | 7.5 | 7 |
Details | 7.6 | 6 |
Soundstage | 8 | 8 |
Imaging | 7.4 | 6 |
Dynamics | 6.5 | 6.5 |
Tonality | 8.1 | 7.5 |
Technicalities | 7.8 | 7.8 |
Thieaudio Monarch Mk2 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.1Very Positive
Lime Ears Terra 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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Lime Ears Terra reviewed by Super* Review
Youtube Video Summary
Positioned as Lime Ears’ entry-level model at around €1,100 / $1,200, Terra makes a strong first impression with premium build quality and shimmering glass faceplates, plus a well-done puck case and full tip set. Practical niggles show up fast: the stock cable is stiff and microphonic, and the chin slider is almost useless. The long, wide nozzle pushes comfort toward “okay” rather than great; shorter tips (Spring-style) help stabilize the fit. Aesthetics and craftsmanship feel boutique; ergonomics and accessories, less so.
Sonically, Terra riffs on a Harman-ish curve—sub-bass lift, slightly thin mids, and a brighter upper-mid/lower-treble for a clean, contrasty, clinical clarity. Imaging separation and stage width are strong with decent depth, but vocals can get edgy/wet, cymbals lean splashy rather than weighty, and overall timbre skews a touch artificial; bass is articulate yet not especially meaty. Versus peers, 64 Audio U4s sounds warmer, bassier with more treble weight (at the cost of some separation), while Dunu Glacier hits harder with denser bass and a smoother top end. The takeaway: good sound, gorgeous build, but not a value standout—Terra is best chosen for the craft, look, and brand story, with performance judged a solid 3/5 at the price.
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
Lime Ears Terra reviewed by Jaytiss
Youtube Video Summary
Build and presentation hit boutique vibes: a machined-aluminum shell with a clever nozzle dip that grips tips securely, a flat 2-pin socket with a top filter, and smooth finishing that feels premium in ear. The accessory set fits the price—SpinFit W1 and foam tips, cleaner, pouch—and the leatherette puck case looks simple but feels surprisingly durable. The stock 4.4 mm cable is aesthetically pleasing yet a bit stiff, with a loose chin slider; red/blue markers make orientation easy.
Tonally, Terra skews brighter with a touch of sharpness up top, bringing strong micro-detail and air while keeping a tasteful, impactful bass shelf. The 6-driver hybrid (including a 7 mm titanium DD for lows) delivers confident technicalities: fast attacks, clean separation, and a wide-open stage. FR observations show a gradual bass rise, good treble extension, and a mid-treble lift (around the 8 k region) that adds sparkle and excitement but can read hot for sensitive listeners.
Against peers, Terra tracks a refined “Harman-ish” contour with extra energy, feeling more dynamic and lively than several mid/high-tier alternatives while keeping mids even and uncluttered. Trade-offs exist: a hint of metallic timbre, occasional upper-mid glare, and imaging that can soften at micro level; yet the overall mix of bass quality, clarity, and stage makes music engaging. At $1,200, the Polish boutique package reads as a serious, distinctive choice—highly recommendable if a brighter tilt and vivid treble are on the wish list.
Jaytiss Youtube Channel
Thieaudio Monarch Mk2 reviewed by Gizaudio Axel
Gizaudio Axel original ranking
Gizaudio Axel Youtube ChannelLime Ears Terra reviewed by Gizaudio Axel
Gizaudio Axel original ranking
Gizaudio Axel Youtube ChannelThieaudio Monarch Mk2 reviewed by Precogvision
Precogvision Youtube Channel
Lime Ears Terra reviewed by Precogvision
Precogvision Youtube Channel
Thieaudio Monarch Mk2 reviewed by Head-Fi.org
Lime Ears Terra reviewed by Head-Fi.org
Thieaudio Monarch Mk2 (more reviews)
Thieaudio Monarch Mk2 reviewed by Jays Audio
Jays Audio Youtube Channel
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
Thieaudio Monarch Mk2 reviewed by Yifang
Thieaudio Monarch Mk2 reviewed by Shuwa-T
Thieaudio Monarch Mk2 reviewed by Smirk Audio
Thieaudio Monarch Mk2 reviewed by Tim Tuned
Tim Tuned Youtube Channel
Thieaudio Monarch Mk2 reviewed by Nymz
Lime Ears Terra (more reviews)
Lime Ears Terra reviewed by Kois Archive
Kois Archive Youtube Channel
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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Lime Ears Terra Details
Driver Configuration: 1DD+5BA
Tuning Type: U-Shaped
Brand: Lime Ears Top Lime Ears IEMs
Price (Msrp): $1,200
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Thieaudio Monarch Mk2 User Review Score
Average User Scores
Average User Score:
Based on 1 user reviews
8.5Excellent
Lime Ears Terra 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+Lime Ears Terra Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.7Gaming 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.
Lime Ears Terra Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- A smooth, agreeable balance keeps the presentation engaging without obvious flaws. Only sensitive ears will nitpick the bumps.
Average Technical Grade
A- Overall technical control is strong, presenting instruments with clarity and sensible staging. Textures are portrayed with satisfying clarity.
Thieaudio Monarch Mk2 User Reviews
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You need to be signed in to write your own reviewMy vocal magic
Pros
Vocals that make you smile. THE most musical set for me.Cons
Bass is okay for the price. Very occasional upper-mid sharpnessLime Ears Terra User Reviews
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