Moondrop Chu II VS 7Hz Salnotes Zero

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

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Moondrop Chu II and 7Hz Salnotes Zero are 1DD in-ear monitors. Moondrop Chu II costs $19 while 7Hz Salnotes Zero costs $23. 7Hz Salnotes Zero is $4 more expensive. Moondrop Chu II holds a clear 0.9-point edge in reviewer scores (5.8 vs 4.9). 7Hz Salnotes Zero carries a user score of 6.3.

Insights

Metric Moondrop Chu II 7Hz Salnotes Zero
Bass 5.8 4.5
Mids 5.8 5.7
Treble 5.8 4.1
Details 5.8 4.3
Soundstage 5.8 5
Imaging 5.8 4.2
Dynamics 5.8 2.5
Tonality 6.7 4.7
Technicalities 4.7 4.3

Moondrop Chu II Aggregated Review Score

Average Reviewer Scores

Jays Audio
Gizaudio Axel Yifang
Head-Fi.org
Audio Amigo Super* Review

Average Reviewer Score:

5.8

Mixed


7Hz Salnotes Zero Aggregated Review Score

Average Reviewer Scores

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

Average Reviewer Score:

4.9

Generally Unfavorable


Reviews Comparison

Moondrop Chu II reviewed by Jays Audio

Jays Audio 4 Reviewer Score
B+ Tuning
C+ Tech
Another harman-ish tuning. Similar to Tanchjim One but not as smooth.

Jays Audio original ranking

Jays Audio Youtube Channel

7Hz Salnotes Zero reviewed by Jays Audio

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

Moondrop Chu II (more reviews)

Moondrop Chu II reviewed by Audio Amigo

Audio Amigo 7 * score rescaled + normalized
All metal build, fantastic all rounder. Watch out for Corrosion in humid environments.

Audio Amigo original ranking

Audio Amigo Youtube Channel

Moondrop Chu II reviewed by Gizaudio Axel

Gizaudio Axel 5.5 Reviewer Score
A- Tuning
C Tech

Moondrop Chu II reviewed by Yifang

Yifang 5 Reviewer Score
B+ Tuning
C Tech

Moondrop Chu II reviewed by Head-Fi.org

Head-Fi.org 6.3 * score rescaled + normalized
11 community members have rated the Moondrop Chu II at an average of 4.0/5 on Head-Fi. Overall sentiment: Very Positive.

URL to full Review

Head-Fi.org original ranking

7Hz Salnotes Zero (more reviews)

7Hz Salnotes Zero reviewed by Z-Reviews

Z-Reviews 7 * score rescaled + normalized

7Hz Salnotes Zero reviewed by Tim Tuned

Tim Tuned 5 Reviewer Score
C+ Tuning
B Tech
Pros: Can't believe this is $20..... Cons: Details is only okay.

Tim Tuned original ranking

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

7Hz Salnotes Zero reviewed by Shuwa-T

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

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

7Hz Salnotes Zero reviewed by Precogvision

Precogvision 4.4 Reviewer Score
C Tuning
C Tech
Pleasant tonal balance with some minor treble oddity.

Precogvision original ranking

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

7Hz Salnotes Zero reviewed by Jaytiss

Jaytiss 3.5 Reviewer Score
D+ Tuning
E+ Tech
Great little set. Good Color choices.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: C+ Treble: E+ Dynamics: E- Soundstage: C+

7Hz Salnotes Zero reviewed by Nymz

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

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

Moondrop Chu II User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

No user reviews yet. Be the first one who writes a review!

7Hz Salnotes Zero User Review Score

Average User Scores

Average User Score:

Based on 2 user reviews

6.3

Mixed to Positive

Moondrop Chu II Gaming Score

Gaming Score & Grade

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

Gaming Score

5.3

Gaming Grade

C+

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

4.4

Gaming Grade

C-

Moondrop Chu II 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
  • Even moderate complexity exposes the limited resolution and narrow sense of space. Technical fans will find it lacking.
Gaming C+
Fundamental left/right positioning with limited depth perception. Works for non-competitive gaming but lacks precision.

7Hz Salnotes Zero Scorings

Average Technical & Tuning Grades

Average Tunign Grade

C
  • Expect a patchy tonal profile that makes instrumentation feel mismatched. EQ is almost mandatory to tame the response.

Average Technical Grade

C-
  • Details smear quickly, leaving the presentation cramped and low on definition. You'll notice smearing on even moderately layered songs.
Bass C
It keeps the low end tidy, though energy and weight remain limited. It favors balance over excitement.
Mids B-
Expect a competent midrange that keeps vocals grounded and instruments clear. Tone is acceptable across multiple genres.
Treble C-
Treble performance is average, audible but short on refinement. There's acceptable presence but limited finesse.
Dynamics D-
Expect constrained dynamics that blur the edges of quieter details. It struggles to render sudden changes.
Soundstage C+
You start to perceive distinct rows of players even if the ceiling still feels low. Layering is present but still modest.
Details C-
You get the outline of textures, though the finer brushstrokes remain faint. Background information is audible but soft.
Imaging C-
You can tell where things generally sit, though exact locations feel blurred. Center vocals sit mostly where expected.
Gaming C-
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical.

Moondrop Chu II User Reviews

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7Hz Salnotes Zero User Reviews

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W wpzdm
5.5

My favourite $20 set, much more than Waner

Pros
Super clear. I don't usually like one with treble focus, this may be the only exception
Cons
Not very organic
Y yorxx
7

Neutral bright tone.

Pros
Neutral bright tone and technically amazing.
Cons
Soft bass, Something noisy, bad cable, bad tips.

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