Fiio FD 15 VS Letshuoer S12

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

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Fiio FD 15 and Letshuoer S12 are in-ear monitors. Fiio FD 15 costs $150 while Letshuoer S12 costs $150. Fiio FD 15 holds a clear 0.8-point edge in reviewer scores (7.3 vs 6.5). Letshuoer S12 carries a user score of 6.8. Fiio FD 15 has better mids with a 0.7-point edge, Fiio FD 15 has better treble with a 0.7-point edge, Fiio FD 15 has significantly better dynamics with a 4-point edge and Fiio FD 15 has better soundstage with a 0.8-point edge.

Insights

Metric Fiio FD 15 Letshuoer S12
Bass 7.3 7.5
Mids 7 6.3
Treble 6 5.3
Details 7.3 7
Soundstage 7 6.3
Imaging 7.3 6.5
Dynamics 5 1
Tonality 6.3 6.1
Technicalities 6 5.9
Take these comparisons with a grain of salt—we don't have enough Fiio FD 15 reviews saved yet to provide an unbiased result.

Fiio FD 15 Aggregated Review Score

Average Reviewer Scores

Jaytiss

Average Reviewer Score:

7.3

Generally Favorable


Letshuoer S12 Aggregated Review Score

Average Reviewer Scores

Jaytiss
Audionotions
Shuwa-T Fresh Reviews Jays Audio Tim Tuned
Z-Reviews
Super* Review Head-Fi.org

Average Reviewer Score:

6.5

Mixed to Positive


Reviews Comparison

Fiio FD 15 reviewed by Jaytiss

Jaytiss 7.3 Reviewer Score
B Tuning
B Tech
Balanced and even. Solid set that is mid focused.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A- Treble: B Dynamics: C+ Soundstage: A-

Letshuoer S12 (more reviews)

Letshuoer S12 reviewed by Super* Review

Super* Review 8* * score rescaled + normalized

Letshuoer S12 reviewed by Z-Reviews

Z-Reviews 7.2 * score rescaled + normalized

Letshuoer S12 reviewed by Shuwa-T

Shuwa-T 6.8 Reviewer Score
A- Tuning
B+ Tech
check links for more info:

Shuwa-T original ranking

Shuwa-T Website

Bass: A- Mids: A- Treble: A- Soundstage: B+ Details: A- Imaging: B+

Letshuoer S12 reviewed by Fresh Reviews

Fresh Reviews 6.5* * The score of this reviewer influences only the Gaming Score

Letshuoer S12 reviewed by Jays Audio

Jays Audio 6 Reviewer Score
A Tuning
A- Tech
The most refined S12 to date. Smoothest treble out of all the S12, and very little Planar timbre while keeping up the great tech and detail.

Jays Audio original ranking

Jays Audio Youtube Channel

Letshuoer S12 reviewed by Tim Tuned

Tim Tuned 6 Reviewer Score
B Tuning
A+ Tech
Planar with the most "wow" factor. Spacious heead stage Treble can be too much

Tim Tuned original ranking

Tim Tuned Youtube Channel
Bass: A+ Mids: A- Treble: A-

Letshuoer S12 reviewed by Audionotions

Audionotions 5.5 Reviewer Score
Very energetic. Very detailed. Very bright. Noticeable recession in mids - it is V-shaped after all. Planar timbre is quite noticeable and can sometimes make this sound unnatural.

Audionotions original ranking

Website (Audionotions)

Letshuoer S12 reviewed by Head-Fi.org

Head-Fi.org 8.4 * score rescaled + normalized
22 community members have rated the Letshuoer S12 at an average of 4.5/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

Fiio FD 15 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Letshuoer S12 User Review Score

Average User Scores

Average User Score:

Based on 1 user reviews

6.8

Cautiously Favorable

Fiio FD 15 Gaming Score

Gaming Score & Grade

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

Gaming Score

6.1

Gaming Grade

B

Letshuoer S12 Gaming Score

Gaming Score & Grade

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

Gaming Score

6.2

Gaming Grade

B

Fiio FD 15 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • A mostly enjoyable signature keeps things listenable despite a handful of quirks. It handles most playlists without major complaints.

Average Technical Grade

B
  • An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.
Mids A-
Midrange performance is excellent, with natural timbre and great detail. Vocals feel lifelike and full-bodied.
Treble B
Treble is articulate and clean, adding excitement without harshness. It adds sparkle without harshness.
Dynamics C+
Dynamic performance is decent, delivering respectable macro swings with limited nuance. There's a fair amount of macrodynamic swing.
Soundstage A-
Excellent spatial presentation that is wide, deep, and tall with precise instrument placement. Width, depth, and height all feel expanded.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues.

Letshuoer S12 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • Tonality is generally agreeable, though a few bumps remind you of its limits. Certain tracks spotlight its tonal quirks.

Average Technical Grade

B-
  • It offers a competent showing, maintaining cohesion on straightforward arrangements. Complex passages start to challenge it, but never derail the show.
Bass A
The bass hits with conviction, offering both punch and clarity. It reaches low with confidence and control.
Mids B
The region sounds composed and expressive, giving vocals a natural spotlight. It keeps vocals front and center nicely.
Treble C+
Treble is decent, offering acceptable extension without harshness. It balances presence with a touch of restraint.
Dynamics E-
Expect limp dynamics that rob music of its natural rises and falls. Swells in orchestral tracks vanish.
Soundstage B
Good soundstage with proper width and depth, placing instruments in clearly defined positions. Instruments sit in their own lanes.
Details A-
Low-level information blossoms, presenting a rich tapestry of articulate sound. Analytical listeners will be delighted.
Imaging B+
Instrument boundaries feel well carved, avoiding smear or drift. Instrument outlines feel well-defined.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues.

Fiio FD 15 User Reviews

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Letshuoer S12 User Reviews

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wpzdm
6.8

Best Planar IEM I've heard

Pros
Very impressive tech at its price
Cons
A bit artificial

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