Thieaudio Legacy 3 and Kiwi Ears Airoso use 1DD+2BA and 1DD+4BA driver setups respectively. Thieaudio Legacy 3 costs $120 while Kiwi Ears Airoso costs $130. Kiwi Ears Airoso is $10 more expensive. Kiwi Ears Airoso holds a decisive 2.7-point edge in reviewer scores (4.1 vs 6.9). Kiwi Ears Airoso has significantly better mids with a 1.8-point edge, Kiwi Ears Airoso has significantly better treble with a 2-point edge, Kiwi Ears Airoso has significantly better dynamics with a 4-point edge and Kiwi Ears Airoso has significantly better soundstage with a 1-point edge.
Insights
Metric | Thieaudio Legacy 3 | Kiwi Ears Airoso |
---|---|---|
Bass | 3.5 | 6.9 |
Mids | 4.3 | 6 |
Treble | 3 | 5 |
Details | 4 | 6.9 |
Soundstage | 5 | 6 |
Imaging | 3.8 | 6.9 |
Dynamics | 3 | 7 |
Tonality | 4.4 | 7 |
Technicalities | 4.3 | 6.2 |
Thieaudio Legacy 3 Aggregated Review Score
Average Reviewer Scores
Kiwi Ears Airoso Aggregated Review Score
Average Reviewer Scores
Thieaudio Legacy 3 Details
Driver Configuration: 1DD+2BA
Tuning Type: Neutral
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $120
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Kiwi Ears Airoso Details
Driver Configuration: 1DD+4BA
Tuning Type: Warm neutral
Brand: Kiwi Ears Top Kiwi Ears IEMs
Price (Msrp): $129.99
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Thieaudio Legacy 3 User Review Score
Average User Scores
Average User Score: n/a
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Kiwi Ears Airoso User Review Score
Average User Scores
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Thieaudio Legacy 3 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
4.3Gaming Grade
C-Kiwi Ears Airoso 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 Legacy 3 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C-- Significantly flawed tuning. Noticeable frequency imbalances and unnatural timbre distract from music. Lacks versatility across recordings.
Average Technical Grade
C-- Limited resolution; finer nuances are masked. Soundstage feels narrow, and complex passages cause muddiness. Transitions lack finesse.
Kiwi Ears Airoso 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
B- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Thieaudio Legacy 3 Reviews
Balanced tonality with a laid-back signature, nothing much to fault nor to praise. Crin Youtube Channel
Comment: Pretty much average. Can sound muddy at times
Pleasant tuning that's too dark for my preferences. Seems to have some QC issues. Precogvision Youtube Channel
Kiwi Ears Airoso Reviews
A sightly more airy/detailed EW300 with better timbre. Warm leaning all rounder with good dynamic contrast. Jays Audio Youtube Channel
Rich thick, enjoyable. Benchmark for me. Just epic. Jaytiss Youtube Channel

The Kiwi Ears Airoso offers a warm, smooth sound signature characterized by a full-bodied bass with satisfying sub-bass rumble and quick decay, though mid-bass impact remains reserved. Its midrange shines with a natural and organic presentation, particularly excelling with female vocals, though some male vocals lack weight. Treble is relaxed and non-fatiguing, providing decent air but lacking sparkle and ultimate detail retrieval.
Comfort is a mixed bag; the lightweight resin shells with CNC aluminum/titanium faceplates are praised by some, but others report significant fit challenges due to the shell shape and nozzle design, requiring tip rolling beyond the included selection. The stock cable is widely criticized as basic and low-quality for the price point, though the detachable 2-pin design allows for upgrades. Soundstage is reasonably spacious but not particularly expansive, with imaging being competent rather than exceptional.
Thieaudio Legacy 3 User Reviews
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