ThieAudio Legacy 9 VS Fiio FH19

IEM Comparison: Expert & Community Scores Side-by-Side

Home Ranking Compare IEMs

ThieAudio Legacy 9 and Fiio FH19 use 1DD+8BA and 2DD+6BA driver setups respectively. ThieAudio Legacy 9 costs $550 while Fiio FH19 costs $599. Fiio FH19 is $49 more expensive. Fiio FH19 holds a decisive 2.2-point edge in reviewer scores (5.3 vs 7.5). Fiio FH19 has significantly better treble with a 2-point edge and Fiio FH19 has significantly better dynamics with a 1-point edge.

Insights

Metric ThieAudio Legacy 9 Fiio FH19
Bass 6 7.5
Mids 5 5
Treble 6 8
Details 5 7.5
Soundstage 5.3 8
Imaging 4 7.5
Dynamics 5 6
Tonality 5.6 6.2
Technicalities 5.4 8
Take these comparisons with a grain of salt—we don't have enough ThieAudio Legacy 9 and Fiio FH19 reviews saved yet to provide an unbiased result.

ThieAudio Legacy 9 Aggregated Review Score

Average Reviewer Scores

Crin Precogvision

Average Reviewer Score:

5.3

Mixed to Negative

Fiio FH19 Aggregated Review Score

Average Reviewer Scores

Gizaudio Axel
Jaytiss
Head-Fi.org

Average Reviewer Score:

7.5

Strongly Favorable

Reviews Comparison

ThieAudio Legacy 9 (more reviews)

ThieAudio Legacy 9 reviewed by Crin

Crin 5.5 Reviewer Score
B- Tuning
B Tech
Bass a little too slow and sluggish with minor quirks in the midrange-treble transition.

Crin original ranking

Crin Youtube Channel

ThieAudio Legacy 9 reviewed by Precogvision

Precogvision 5.1 Reviewer Score
B- Tuning
C Tech
Solid bass and sparkly, well-extended treble. Could use more work in the detail and imaging department.

Precogvision original ranking

Precogvision Youtube Channel
Bass: B Mids: C+ Treble: B Dynamics: C+ Details: C+ Imaging: C-

Fiio FH19 (more reviews)

Fiio FH19 reviewed by Jaytiss

Jaytiss 7.8 Reviewer Score
B+ Tuning
A+ Tech
YouTube video thumbnail
A very pleasing Colorization, but not exactly what I love.
Youtube Video Summary

Build and accessories are a clear win: a sturdy, comfortable, slightly translucent shell with MMCX connectors, a plush 8-wire cable terminating in 4.4 mm, and a premium magnetic case. As a 10-BA set around $1,000, it wears a tasteful black-and-silver faceplate and seals well without pressure issues. There’s a bass switch that nudges mid-bass upward; useful for taste, but not essential.

Sonically it’s a warm-tilted, cohesive presentation: male vocals come through full and rich, female vocals can sound a touch husky, and the mids avoid shout. Treble is clean and pleasant with a bit of 5–6 kHz energy that stays in check; overall clarity is good, though there’s slight hiss and the mid-bass can feel a little loose/flabby rather than tight. Stage and detail are solid, making this arguably one of FiiO’s better efforts, but the value is mixed—graded a strong A4 / S-: recommended if it suits the tonality, yet tough at retail amid fierce competitors; far more compelling on the used market or after a thorough demo.

Mids: C+ Treble: A+ Dynamics: B Soundstage: A+

Jaytiss original ranking

Jaytiss Youtube Channel

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Fiio FH19 reviewed by Gizaudio Axel

Gizaudio Axel 6.5 Reviewer Score
B- Tuning
A+ Tech
check links for more info:

Gizaudio Axel original ranking

Gizaudio Axel Youtube Channel

Fiio FH19 reviewed by Head-Fi.org

Head-Fi.org 8.3 * score rescaled + normalized
7 community members have rated the FiiO FH19 at an average of 4.6/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

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Price: $528

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ThieAudio Legacy 9 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Fiio FH19 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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ThieAudio Legacy 9 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

4.9

Gaming Grade

C

Fiio FH19 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

6.9

Gaming Grade

B+

ThieAudio Legacy 9 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B-
  • Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

C+
  • It offers a competent showing, maintaining cohesion on straightforward arrangements. Complex passages start to challenge it, but never derail the show.
Bass B
You get a lively bass response that balances energy with discipline. It balances punch with respectable control.
Mids C+
The mids are solid and dependable, though not especially remarkable. Vocals stay reasonably grounded in the mix.
Treble B
The top end is engaging and airy, yet never overbearing. Brass and strings feel energetic.
Dynamics C+
It offers fair punch and contrast, though micro-dynamics could be sharper. Impact is satisfying for day-to-day use.
Details C+
Decent detail retrieval that handles most textures while leaving some micro-information understated. Most textures come through cleanly.
Imaging C-
Average imaging delivers reasonable localization while still lacking pinpoint specificity. You get a reasonable idea of placement.
Gaming C
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical. Bad value-to-cost for gaming purpose - not recommended

Fiio FH19 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • The tuning leans easygoing, yet occasional unevenness nudges it away from greatness. A bit of EQ polish can smooth things nicely.

Average Technical Grade

A+
  • It sounds refined and controlled, keeping instruments neatly separated with immersive staging. Busy arrangements remain neatly organized.
Mids C+
Expect a competent midrange that keeps vocals grounded and instruments clear. Tone is acceptable across multiple genres.
Treble A+
Treble reaches superb heights, offering effortless extension and crystal clarity. Every cymbal crash resolves into fine mist.
Dynamics B
The performance feels robust, with satisfying punch and natural transitions. Nuances are easy to follow.
Soundstage A+
It crafts a floating sphere of sound where directional cues shimmer with precision. Layering remains stable even when pushed.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Bad value-to-cost for gaming purpose - not recommended

ThieAudio Legacy 9 User Reviews

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Fiio FH19 User Reviews

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