Thieaudio Monarch and FlipEars Legion use 1DD+6BA+2EST and 1DD+1EST+1BC driver setups respectively. Thieaudio Monarch costs $730 while FlipEars Legion costs $849. FlipEars Legion is $119 more expensive. FlipEars Legion holds a clear 0.5-point edge in reviewer scores (7 vs 7.5). FlipEars Legion has better bass with a 0.7-point edge, Thieaudio Monarch has slightly better treble with a 0.4-point edge, FlipEars Legion has significantly better dynamics with a 2-point edge, Thieaudio Monarch has better soundstage with a 0.5-point edge and FlipEars Legion has better imaging with a 0.8-point edge.
Insights
Metric | Thieaudio Monarch | FlipEars Legion |
---|---|---|
Bass | 6.8 | 7.5 |
Mids | 7.2 | 7 |
Treble | 7.2 | 6.8 |
Details | 7.5 | 7.5 |
Soundstage | 7.5 | 7 |
Imaging | 6.8 | 7.5 |
Dynamics | 5 | 7 |
Tonality | 7.3 | 7.7 |
Technicalities | 7.7 | 7.3 |
Thieaudio Monarch Aggregated Review Score
Average Reviewer Scores
FlipEars Legion Aggregated Review Score
Average Reviewer Scores
Thieaudio Monarch Details
Driver Configuration: 1DD+6BA+2EST
Tuning Type: Harman Neutral
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $730
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FlipEars Legion Details
Driver Configuration: 1DD+1EST+1BC
Tuning Type: Bass-focused with balanced mids and treble
Brand: Flipears Top Flipears IEMs
Price (Msrp): $849
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Thieaudio Monarch User Review Score
Average User Scores
Average User Score: n/a
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FlipEars Legion User Review Score
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Thieaudio Monarch Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.1Gaming Grade
A-FlipEars Legion Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.4Gaming Grade
BThieaudio Monarch 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
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
FlipEars Legion 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-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Thieaudio Monarch Reviews
Endgame clarity and layering. Great resolution, and open staging. Not holographic but very clean. Rumbly sub-bass but mid-bass tuck can kill some libraries, and affects vocal thinness. Jays Audio Youtube Channel
Superb separation, fun clean signature Tim Tuned Youtube Channel
Neutral with bass boost Crin Youtube Channel
Comment: Less steep subbass hump, clearer midrange. Balanced sounding across all frequencies Lower mids on thinner side
Not particularly coherent, but an attention grabber with solid, surface-level detail. Precogvision Youtube Channel
FlipEars Legion Reviews
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What this does well, it does very well. Fun set. Jaytiss Youtube Channel
Fun and bassy, v-shape, great low-end slam and texture, full, rumbly, solid tech imaging, and cool faceplate... but price is a bit high. Jays Audio Youtube Channel

The FlipEars Legion makes a commanding entrance with its striking Roman legionnaire-inspired design, featuring jewelry-cast rose-plated brass faceplates hand-painted by master artisans in Bulacan, Philippines, ensuring each unit is a unique masterpiece. While the substantial resin housings may challenge smaller ears, the included Eletech Baroque tips and pliable cable contribute to a surprisingly secure and comfortable fit over time. Unboxing feels luxurious, with a premium leather case and meticulous packaging underscoring FlipEars' commitment to craftsmanship.
Sonically, the Legion leverages its innovative tribrid driver system to deliver thunderous, tactile bass via a custom dynamic driver and EarQuake bone conduction unit, creating visceral sub-bass rumble without muddying the midrange. The midrange remains lush and articulate, presenting vocals with natural warmth and instruments with rich texturing, while the SPARK electret tweeter adds refined, fatigue-free sparkle to the highs. This synergy results in a cohesive, immersive sound signature that prioritizes musical engagement over analytical sharpness, making complex tracks feel both powerful and nuanced.
Technically, the Legion punches above its price point, boasting a holographic soundstage with precise instrument placement and exceptional layering that rivals models costing twice as much. Its imaging is pinpoint accurate, rendering subtle ambient cues and dynamic shifts with effortless clarity, while the bone conduction driver enhances physicality and depth without sacrificing control. Though its bass-forward tuning might not suit treble purists, the Legion excels as a reference-grade all-rounder for those seeking technical prowess paired with relentless musicality.
Thieaudio Monarch User Reviews
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