Headphone EQ

7Hz Salnotes Zero EQ settings for Mac

Last updated: October 2, 2026

7Hz Salnotes Zero has 10 published AutoEQ corrections, from 10 measurement rigs, and this page carries every one of them. macOS has no system-wide equalizer of its own, so applying a correction to everything your Mac plays, rather than inside a single player, needs an app that sits on the system audio path.

• Who it is for: anyone listening to the 7Hz Salnotes Zero on a Mac who wants its measured tonal balance pulled toward a neutral target.
• What a correction is: a set of equalizer filters that the open-source AutoEQ project computes by comparing a published measurement of the headphone with a target curve.
• What this page holds: for every measurement, the curve, its parametric filters, the same filters as copy-paste text, a ten-band version and a one-click EQBase preset.
• What it cannot do: it changes frequency response only. It will not make up for a tip that does not seal or for distortion, and it was measured on someone else's pair, not yours.
• What you need: any parametric equalizer takes the filters, on any platform. The preset needs EQBase, free on macOS 14.4 or later.

Worth knowing: Ten published measurements exist for this model and the correction they point at is a modest one, well under 1 dB on average across the ten bands, with the largest single move a lift of about 2.6 dB at 8 kHz. As with most budget in-ears the measurements separate in the top octave, by about 4 dB at 16 kHz, where coupler differences matter more than the earphone does.

What the 7Hz Salnotes Zero correction changes

These figures come from the measurement by oratory1990, the one the picker below opens with. The largest boost is +2.6 dB at treble (8 kHz), and the largest cut is −1.1 dB at top octave (16 kHz). Total swing across the ten bands is 3.7 dB. Across the three thirds of the band the average movement stays under a decibel, so this is a fine-detail correction rather than a tonal rebalance.

The 10 published measurements on this page, from 10 rigs, do not agree with each other, and the size of the disagreement is worth knowing before picking one. They differ most at top octave (16 kHz), where the ten-band figures span 4.8 dB, and least at upper bass (125 Hz), where they span 0.9 dB.

The 7Hz Salnotes Zero corrections, measurement by measurement

Pick a measurement to see its correction curve, its parametric filters, the same filters as copy-paste text in AutoEQ's format (which Equalizer APO and Peace, REW and most desktop parametric equalizers import, and which EQBase's own Expert EQ reads and writes), and EQBase's ten-band version, which is what the downloadable preset applies.

Preamp: -2.5 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.4 dB Q 0.70
Filter 2: ON PK Fc 7148 Hz Gain 2.5 dB Q 1.39
Filter 3: ON PK Fc 186 Hz Gain -1.3 dB Q 1.35
Filter 4: ON PK Fc 65 Hz Gain 1.7 dB Q 1.11
Filter 5: ON PK Fc 1677 Hz Gain -1.1 dB Q 1.82
Filter 6: ON HSC Fc 10000 Hz Gain -1.3 dB Q 0.70
Filter 7: ON PK Fc 857 Hz Gain 0.9 dB Q 1.64
Filter 8: ON PK Fc 9824 Hz Gain 0.9 dB Q 1.98
Filter 9: ON PK Fc 3316 Hz Gain -0.6 dB Q 2.50
Filter 10: ON PK Fc 1261 Hz Gain -0.7 dB Q 3.34

Preamp: -2.3 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.9 dB Q 0.70
Filter 2: ON PK Fc 4566 Hz Gain -1.8 dB Q 1.53
Filter 3: ON PK Fc 74 Hz Gain 2.4 dB Q 1.19
Filter 4: ON PK Fc 1536 Hz Gain -1.5 dB Q 1.56
Filter 5: ON PK Fc 402 Hz Gain 2.3 dB Q 2.29
Filter 6: ON HSC Fc 10000 Hz Gain 0.7 dB Q 0.70
Filter 7: ON PK Fc 156 Hz Gain -1.4 dB Q 2.28
Filter 8: ON PK Fc 111 Hz Gain 1.5 dB Q 4.69
Filter 9: ON PK Fc 660 Hz Gain 0.3 dB Q 1.92
Filter 10: ON PK Fc 43 Hz Gain 0.2 dB Q 2.28

Preamp: -1.6 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.4 dB Q 0.70
Filter 2: ON PK Fc 722 Hz Gain 1.6 dB Q 1.49
Filter 3: ON PK Fc 182 Hz Gain -1.5 dB Q 1.20
Filter 4: ON PK Fc 66 Hz Gain 1.1 dB Q 1.13
Filter 5: ON PK Fc 5979 Hz Gain 1.4 dB Q 4.43
Filter 6: ON HSC Fc 10000 Hz Gain -3.5 dB Q 0.70
Filter 7: ON PK Fc 6878 Hz Gain 0.7 dB Q 1.99
Filter 8: ON PK Fc 3970 Hz Gain -1.0 dB Q 3.29
Filter 9: ON PK Fc 2393 Hz Gain 0.7 dB Q 2.43
Filter 10: ON PK Fc 1494 Hz Gain -0.6 dB Q 2.41

Preamp: -2.5 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.0 dB Q 0.70
Filter 2: ON PK Fc 2721 Hz Gain -1.1 dB Q 0.63
Filter 3: ON PK Fc 6195 Hz Gain 2.9 dB Q 1.60
Filter 4: ON PK Fc 65 Hz Gain 1.9 dB Q 0.84
Filter 5: ON PK Fc 175 Hz Gain -1.1 dB Q 1.52
Filter 6: ON HSC Fc 10000 Hz Gain -3.5 dB Q 0.70
Filter 7: ON PK Fc 720 Hz Gain 0.9 dB Q 1.85
Filter 8: ON PK Fc 1344 Hz Gain -0.8 dB Q 1.89
Filter 9: ON PK Fc 8657 Hz Gain 1.3 dB Q 2.31
Filter 10: ON PK Fc 2152 Hz Gain 0.5 dB Q 3.29

Preamp: -2.3 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.6 dB Q 0.70
Filter 2: ON PK Fc 68 Hz Gain 1.9 dB Q 0.98
Filter 3: ON PK Fc 186 Hz Gain -1.0 dB Q 1.26
Filter 4: ON PK Fc 744 Hz Gain 1.0 dB Q 1.32
Filter 5: ON PK Fc 1314 Hz Gain -0.9 dB Q 1.90
Filter 6: ON HSC Fc 10000 Hz Gain -4.1 dB Q 0.70
Filter 7: ON PK Fc 6085 Hz Gain 2.2 dB Q 4.63
Filter 8: ON PK Fc 3554 Hz Gain -0.7 dB Q 2.28
Filter 9: ON PK Fc 2618 Hz Gain 0.9 dB Q 3.02
Filter 10: ON PK Fc 4580 Hz Gain -0.5 dB Q 5.11

Preamp: -1.9 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.0 dB Q 0.70
Filter 2: ON PK Fc 5720 Hz Gain 2.0 dB Q 2.87
Filter 3: ON PK Fc 66 Hz Gain 1.7 dB Q 0.80
Filter 4: ON PK Fc 171 Hz Gain -1.0 dB Q 1.37
Filter 5: ON PK Fc 1475 Hz Gain -1.0 dB Q 2.56
Filter 6: ON HSC Fc 10000 Hz Gain -3.0 dB Q 0.70
Filter 7: ON PK Fc 733 Hz Gain 0.7 dB Q 1.58
Filter 8: ON PK Fc 7674 Hz Gain 0.9 dB Q 3.01
Filter 9: ON PK Fc 288 Hz Gain -0.3 dB Q 2.21
Filter 10: ON PK Fc 1200 Hz Gain -0.4 dB Q 3.45

Preamp: -4.7 dB
Filter 1: ON LSC Fc 105 Hz Gain 2.0 dB Q 0.70
Filter 2: ON PK Fc 6290 Hz Gain 4.8 dB Q 2.34
Filter 3: ON PK Fc 173 Hz Gain -1.3 dB Q 0.63
Filter 4: ON PK Fc 1394 Hz Gain -1.3 dB Q 0.89
Filter 5: ON PK Fc 759 Hz Gain 1.1 dB Q 1.44
Filter 6: ON HSC Fc 10000 Hz Gain -0.6 dB Q 0.70
Filter 7: ON PK Fc 42 Hz Gain -0.4 dB Q 1.75
Filter 8: ON PK Fc 77 Hz Gain 0.2 dB Q 1.92
Filter 9: ON PK Fc 3495 Hz Gain -0.3 dB Q 3.08
Filter 10: ON PK Fc 4920 Hz Gain 0.3 dB Q 4.43

Preamp: -5.1 dB
Filter 1: ON LSC Fc 105 Hz Gain 2.6 dB Q 0.70
Filter 2: ON PK Fc 6337 Hz Gain 5.3 dB Q 3.61
Filter 3: ON PK Fc 210 Hz Gain -1.0 dB Q 1.03
Filter 4: ON PK Fc 4135 Hz Gain -1.4 dB Q 2.06
Filter 5: ON PK Fc 1370 Hz Gain -1.0 dB Q 2.36
Filter 6: ON HSC Fc 10000 Hz Gain -4.7 dB Q 0.70
Filter 7: ON PK Fc 776 Hz Gain 0.6 dB Q 2.28
Filter 8: ON PK Fc 1180 Hz Gain 0.3 dB Q 3.24
Filter 9: ON PK Fc 7029 Hz Gain 1.6 dB Q 5.94
Filter 10: ON PK Fc 1163 Hz Gain -0.7 dB Q 3.30

Preamp: -1.5 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.3 dB Q 0.70
Filter 2: ON PK Fc 681 Hz Gain 1.2 dB Q 1.55
Filter 3: ON PK Fc 175 Hz Gain -1.0 dB Q 1.00
Filter 4: ON PK Fc 66 Hz Gain 1.3 dB Q 1.24
Filter 5: ON PK Fc 3444 Hz Gain -0.5 dB Q 2.65
Filter 6: ON HSC Fc 10000 Hz Gain -3.2 dB Q 0.70
Filter 7: ON PK Fc 8000 Hz Gain 1.6 dB Q 1.02
Filter 8: ON PK Fc 1401 Hz Gain -0.5 dB Q 2.48
Filter 9: ON PK Fc 2164 Hz Gain 0.5 dB Q 3.09
Filter 10: ON PK Fc 3803 Hz Gain -0.6 dB Q 2.10

Preamp: -3.0 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.7 dB Q 0.70
Filter 2: ON PK Fc 6222 Hz Gain 3.0 dB Q 2.22
Filter 3: ON PK Fc 184 Hz Gain -1.4 dB Q 0.81
Filter 4: ON PK Fc 69 Hz Gain 1.7 dB Q 0.95
Filter 5: ON PK Fc 666 Hz Gain 0.8 dB Q 2.04
Filter 6: ON HSC Fc 10000 Hz Gain -0.6 dB Q 0.70
Filter 7: ON PK Fc 1357 Hz Gain -0.8 dB Q 2.14
Filter 8: ON PK Fc 870 Hz Gain 0.4 dB Q 3.40
Filter 9: ON PK Fc 8262 Hz Gain 0.8 dB Q 6.00
Filter 10: ON PK Fc 2137 Hz Gain 0.3 dB Q 3.58

Ten-band or parametric EQ for the 7Hz Salnotes Zero?

A parametric equalizer lets every filter take any frequency, gain and width, where width is written as Q and a higher Q means a narrower filter, so it can reproduce AutoEQ's filters exactly. A ten-band graphic equalizer has ten fixed bands an octave apart, from 31 Hz to 16 kHz, all the same width, so it can only approximate them. EQBase's ten-band version sets those ten gains to match the parametric curve at the band centers, allowing for how the bands overlap, rather than reading the curve off at each center.

On oratory1990's measurement, the ten-band version stays within 0.9 dB of the parametric curve between 40 Hz and 10 kHz. Across all 8,666 corrections in EQBase's catalog the median for that range is 3.3 dB, which makes the 7Hz Salnotes Zero an easier fit for ten bands than most. The largest of those gaps sits around 1.3 kHz, between the 1 kHz and 2 kHz bands, where the ten-band curve can only bridge from one center to the next.

Use the parametric filters if your equalizer accepts them: they are the correction exactly as published. The ten-band version is for equalizers with fixed sliders, EQBase's free tier among them, and it is what the downloadable preset applies. On EQBase Pro, applying the 7Hz Salnotes Zero from the Headphones pane uses the parametric filters directly, and the preset carries them as well, one switch to Expert EQ away. AutoEQ publishes its own ten-band file on the same grid, fitted to the raw measurement rather than to these filters, so the two agree closely through the midrange and can differ at the extremes.

How to use the 7Hz Salnotes Zero correction on a Mac

To use the 7Hz Salnotes Zero correction on a Mac, apply it with an equalizer that runs on system audio, so it reaches every app at once. In EQBase the fastest route skips this page: open the Headphones pane, search for the 7Hz Salnotes Zero, which is in the built-in catalog of 6,033 models, and click the measurement you want. The preset above does the same from a file, for anyone who wants to see the numbers first or a specific measurement rather than the default one.

Either way the free tier carries it with no time limit. The 7Hz Salnotes Zero preset above sets the ten-band curve, which is what the free tier applies, so nothing on this page is behind a purchase.

The 7Hz Salnotes Zero is an in-ear monitor, and its bass depends far more on the seal than on anything in this correction. A tip that does not seal loses the low bass outright, and no amount of boost puts it back. If the bottom end still sounds missing after applying this, change tips and re-seat them before deciding the curve is wrong.

Something this small is sensitive enough that a Mac's own output drives it without help, so the correction is doing all of the work here rather than sharing it with an amplifier.

Common questions about 7Hz Salnotes Zero EQ

Do these EQ settings work on any Mac app?

Yes, if the equalizer runs on system audio rather than inside one player. EQBase processes everything the Mac plays, so the same correction applies to Spotify, Safari, YouTube, games and calls. The Music app's own equalizer only affects Music.

Where do the 7Hz Salnotes Zero numbers come from?

From 10 published AutoEQ measurements of the 7Hz Salnotes Zero, made by oratory1990, crinacle, Super Review, HypetheSonics, Harpo, Fahryst, Jaytiss, Auriculares Argentina, freeryder05 and Ted's Squig Hoard. Each one is a real frequency-response measurement compared against a target curve, and each produces its own set of filters. They are all on this page rather than averaged together, because a measurement belongs to the person who made it.

Why is the 7Hz Salnotes Zero preamp negative?

The 7Hz Salnotes Zero correction needs −2.5 dB of headroom on its default measurement, so the preset pulls the signal down by that much before the boosts are applied. Boosting a signal that is already near full scale would clip it, and the negative preamp is what buys the room. Skip it and loud passages distort. That is a small figure, meaning this correction is mostly cuts rather than boosts, so it costs very little loudness.

Can I use these filters in a different equalizer?

Yes. The filter table is a standard parametric list: type, frequency, gain and Q. Any parametric equalizer that accepts those four values per band will take them, on any platform. The one-click preset is only a shortcut for EQBase users.

Other headphones with published corrections

• Truthear x Crinacle Zero RED EQ settings for Mac, 22 published measurements
• Moondrop Chu EQ settings for Mac, 11 published measurements
• Apple AirPods 2 EQ settings for Mac, 2 published measurements
• Beats Solo 4 EQ settings for Mac, 1 published measurement
• Beats Solo Buds EQ settings for Mac, 1 published measurement

Credits

Correction data from the AutoEQ project by Jaakko Pasanen, used under the MIT licence. The measurements themselves are the work of the people credited on each curve above. EQBase ships the same catalog in the app, with the same attribution.

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