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1 / 8Linsoul
Linsoul 7Hz Salnotes Zero HiFi 10mm
Sound
4.5/ 5
SoundMDAQS OverallMDAQS Overall — measured in the SoundGuys lab.
See the lab data ↓Frequency response · Isolation · Audio quality
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Key specs
Material Chassis Primary
Resin29%Plastic24%Aluminum18%Metal16%
Plastic appears on 24% of the 49 in-ear monitors we've cataloged (of 38).
Connection Type
Wired-3.5mmMost commonWired-3.5mm95%Bluetooth5%
Wired-3.5mm is the most common — on 95% of the 37 in-ear monitors we've cataloged (of 38).
Has Microphone
YesFalse68%True32%
True appears on 32% of the 34 in-ear monitors we've cataloged (of 38).
Driver Size
10 mmAbove average10 mm
7 mm13 mm
above average for in-ear monitors — based on 23 of 38 we've cataloged.
Build
- Material Chassis Primary
- Plastic, stainless steel
Connectivity
- Connection Type
- Wired-3.5mm
- Cable Type
- 2-pin detachable
Microphone
- Has Microphone
- Yes
Sound
- Driver Size
- 10 mm
- Driver Count
- 1
- Driver Type
- Dynamic
- Impedance
- 32 Ω
Design
- Color Options
- Black, blue, orange, red, rose, white
- Earbud Form Factor
- In-ear
- Detachable Cable
- Yes
Lab data
How we test ›Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Linsoul 7Hz Salnotes Zero HiFi 10mm Frequency Response (measured on a B&K 5128)
Click a line or a legend entry to highlight it. Click again to clear.Tap a legend entry to highlight its line. Tap again to clear.
Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | 3.6 |
| 25 | 3.2 |
| 32 | 2.6 |
| 40 | 1.8 |
| 50 | 1.1 |
| 63 | 0.3 |
| 80 | -0.6 |
| 100 | -1.4 |
| 125 | -2.2 |
| 160 | -3.4 |
| 200 | -3.1 |
| 250 | -2.4 |
| 315 | -3.0 |
| 400 | -3.5 |
| 500 | -3.6 |
| 630 | -2.0 |
| 800 | -0.8 |
| 1000 | 0.8 |
| 1250 | 2.6 |
| 1600 | 4.7 |
| 2000 | 6.4 |
| 2500 | 8.0 |
| 3150 | 9.7 |
| 4000 | 11.4 |
| 5000 | 5.7 |
| 6300 | -0.3 |
| 8000 | 1.9 |
| 10000 | 0.3 |
| 12500 | -10.0 |
| 16000 | -14.2 |
| 20000 | -25.7 |
Linsoul 7Hz Salnotes Zero HiFi 10mm Attenuation (measured on a B&K 5128)
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Solid lines: passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 2.5 |
| 26 | 2.5 |
| 33 | 2.5 |
| 41 | 3.2 |
| 52 | 1.6 |
| 65 | 2.8 |
| 82 | 2.4 |
| 103 | 3.3 |
| 130 | 3.2 |
| 163 | 2.9 |
| 205 | 3.5 |
| 259 | 4.2 |
| 325 | 6.5 |
| 410 | 8.1 |
| 516 | 8.2 |
| 613 | 7.7 |
| 772 | 12.9 |
| 972 | 15.8 |
| 1220 | 18.4 |
| 1540 | 21.6 |
| 1940 | 23.8 |
| 2440 | 25.2 |
| 3070 | 23.1 |
| 3870 | 23.6 |
| 4870 | 28.2 |
| 6130 | 25.0 |
| 7720 | 31.0 |
| 9720 | 30.2 |
| 12200 | 30.7 |
| 15400 | 15.7 |
| 19400 | 24.2 |
Linsoul 7Hz Salnotes Zero HiFi 10mm MDAQS
Multi-Dimensional Audio Quality Scores, Scale 1 - 5
Mean opinion score
4.8
4.0
3.2
4.5
TimbreDistortionImmersivenessOverall
Virtual mean opinion scores (MOS) on a 1–5 scale, modeled from the measured response by HEAD acoustics’ MDAQS (Multi-Dimensional Audio Quality Score) model. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
SoundGuys review
Isolation6.2
Comfort & fit8.7
Connectivity6.5
Design9.5
Portability8.5
Features6.0
The verdict
The Linsoul 7Hz Salnotes Zero are incredibly inexpensive, decently-performing in-ear monitors. Though wired earbuds have fallen out of vogue with the mass market, dedicated wired enthusiasts can enjoy very low-cost earbuds if they're okay with a cable.
✓Liked: Price, Sound quality, Isolation, Replaceable cable
✕Could be better: Mic, No IP rating, No case
Owners
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Owner reviews are not paid for, not solicited from specific owners, and not rewritten by us: at most we proofread typos, which is shown on the review’s own page and which the author can undo. The commission SoundGuys may earn on this page comes from retail links, never from owner reviews.
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Questions from readers
What readers ask about the Linsoul 7Hz Salnotes Zero HiFi 10mm, answered by the people who own it.
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