Fiio FD 15 VS 7Hz Salnotes Zero

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

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Fiio FD 15 and 7Hz Salnotes Zero are in-ear monitors. Fiio FD 15 costs $150 while 7Hz Salnotes Zero costs $23. Fiio FD 15 is $127 more expensive. Fiio FD 15 holds a decisive 2.4-point edge in reviewer scores (7.3 vs 5). Fiio FD 15 has significantly better mids with a 2.2-point edge, Fiio FD 15 has significantly better treble with a 2.5-point edge, Fiio FD 15 has significantly better dynamics with a 4-point edge and Fiio FD 15 has significantly better soundstage with a 2-point edge.

Insights

Metric Fiio FD 15 7Hz Salnotes Zero
Bass 7.3 3.5
Mids 7 4.8
Treble 6 3.5
Details 7.3 4
Soundstage 7 5
Imaging 7.3 3.8
Dynamics 5 1
Tonality 6.3 4.6
Technicalities 6 3.7

Fiio FD 15 Aggregated Review Score

Average Reviewer Scores

Jaytiss

Average Reviewer Score:

7.3

Generally Favorable


7Hz Salnotes Zero Aggregated Review Score

Average Reviewer Scores

Jaytiss Nymz
Shuwa-T Jays Audio
Z-Reviews Super* Review

Average Reviewer Score:

5

Generally Unfavorable


Fiio FD 15 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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7Hz Salnotes Zero User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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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

7Hz Salnotes Zero Gaming Score

Gaming Score & Grade

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

Gaming Score

4

Gaming Grade

C-

Fiio FD 15 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • Generally enjoyable tonal character with some noticeable unevenness. Maintains listenability while showing room for refinement in frequency balance.

Average Technical Grade

B
  • Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Mids A-
Excellent midrange with natural timbre and great detail retrieval. Vocals are forward and emotive with lifelike instrument reproduction.
Treble B
Good treble response - clear and detailed without fatigue. Well-extended with proper air and sparkle.
Dynamics C+
Decent dynamic performance. Good macro-contrast but micro-dynamics could be more nuanced. Satisfactory impact.
Soundstage A-
Excellent spatial presentation - wide, deep and tall. Precise instrument placement with clear separation in all dimensions.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues.

7Hz Salnotes Zero 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

D+
  • Limited resolution; finer nuances are masked. Soundstage feels narrow, and complex passages cause muddiness. Transitions lack finesse.
Bass D+
Bass is light and underwhelming. While some faint rumble exists, it lacks punch and authority in any meaningful way.
Mids C
Midrange is passable but unrefined. Lacks detail and smoothness, with occasional harshness in upper mids.
Treble D+
Uneven treble response with noticeable peaks and dips. Can sound both dull and occasionally harsh simultaneously.
Dynamics E-
Extremely poor dynamic expression. Lacks any sense of impact or volume gradation, making music feel one-dimensional.
Soundstage C+
Decent spatial presentation with noticeable width. Some depth perception but height dimension remains underdeveloped.
Details C-
Average resolution - reveals basic elements but misses subtleties. Satisfactory for casual listening but lacks refinement.
Imaging D+
Modest imaging with basic left/right positioning. Lacks precision for center placement and suffers from positional blurring.
Gaming C-
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical.

Fiio FD 15 Reviews

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

Jaytiss original ranking

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

7Hz Salnotes Zero Reviews

Z-Reviews 7 * score normalized
Super* Review 7* * score normalized
Shuwa-T 4.8 Reviewer Score
C Tuning
C Tech
Comment: A sidegrade from Wan Er, but a more correct sounding Chu. Well tuned like the Chu, without the metallic treble B-grade bass, general technicalities

Shuwa-T original ranking

Shuwa-T Website

- Shuwa-T
Bass: C- Mids: B- Treble: C Soundstage: C+ Details: C+ Imaging: C
Jays Audio 4 Reviewer Score
B+ Tuning
C+ Tech
A stock Chu with a little more bass, and smoother uppdermids/treble.

Jays Audio original ranking

Jays Audio Youtube Channel
- Jays Audio
Jaytiss 3.5 Reviewer Score
D+ Tuning
E+ Tech
Great little set. Good Color choices.

Jaytiss original ranking

Jaytiss Youtube Channel
- Jaytiss
Mids: C+ Treble: E+ Dynamics: E- Soundstage: C+
Nymz 3.4 Reviewer Score
D+ Tuning
D Tech
Best 20$ IEM. Just buy it. Great tuning, average budget technicalities. Mindblowing. 2-pin sockets.

Nymz original ranking

Nymz Website

- Nymz
Bass: D Mids: C- Treble: C- Details: D Imaging: D

Fiio FD 15 User Reviews

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7Hz Salnotes Zero User Reviews

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