Headphone EQ

Sennheiser HD 6XX EQ settings for Mac

Last updated: August 6, 2026

Sennheiser HD 6XX has 6 published AutoEQ corrections, from 6 measurement rigs, and this page carries every one of them. Below is the curve, the exact parametric filters behind it, and a one-click preset for EQBase. 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.

Worth knowing: The HD 6XX is Drop's version of the HD 650: the same driver and the same acoustic design, sold with a different cable, a different finish and a lower nominal impedance. The measurements below are of actual HD 6XX units, not borrowed from the HD 650, and the two sit on separate pages for that reason. If you own the 650 instead, use its own page, which also carries earpad and revision variants this one does not.

Each measurement below carries four things: the 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 fit of that correction. The ten-band figures are what the downloadable preset applies, so what you hear matches what is written here. 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.

-12-6+0+6+12201001k10k20k

Measured by oratory1990. Preamp −6.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+6.4 dB0.70
Peak8.8 kHz+5.1 dB1.42
Peak118 Hz−3.1 dB0.50
Peak37 Hz+0.7 dB3.96
Peak3.17 kHz−1.7 dB3.89
High shelf10 kHz−2.1 dB0.70
Peak1.23 kHz−1.2 dB2.53
Peak2.06 kHz+1.2 dB3.23
Peak587 Hz+0.4 dB1.19
Peak5.33 kHz−1.1 dB5.75

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Preamp: -6.1 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.4 dB Q 0.70
Filter 2: ON PK Fc 8800 Hz Gain 5.1 dB Q 1.42
Filter 3: ON PK Fc 118 Hz Gain -3.1 dB Q 0.50
Filter 4: ON PK Fc 37 Hz Gain 0.7 dB Q 3.96
Filter 5: ON PK Fc 3169 Hz Gain -1.7 dB Q 3.89
Filter 6: ON HSC Fc 10000 Hz Gain -2.1 dB Q 0.70
Filter 7: ON PK Fc 1227 Hz Gain -1.2 dB Q 2.53
Filter 8: ON PK Fc 2055 Hz Gain 1.2 dB Q 3.23
Filter 9: ON PK Fc 587 Hz Gain 0.4 dB Q 1.19
Filter 10: ON PK Fc 5332 Hz Gain -1.1 dB Q 5.75

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.4 dB
62 Hz+2.9 dB
125 Hz−1.3 dB
250 Hz−1.5 dB
500 Hz+0.1 dB
1 kHz−0.7 dB
2 kHz+1.2 dB
4 kHz−0.7 dB
8 kHz+4.4 dB
16 kHz−1.4 dB
Preamp−6.1 dB
-12-6+0+6+12201001k10k20k

Measured by Rtings. Preamp −6.4 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+7.1 dB0.70
Peak92 Hz−3.3 dB0.48
Peak486 Hz+1.9 dB0.81
Peak3.12 kHz−3.8 dB2.55
Peak5.17 kHz+3.1 dB2.42
High shelf10 kHz−1.1 dB0.70
Peak36 Hz+0.6 dB4.22
Peak58 Hz−0.4 dB2.04
Peak1.38 kHz−0.4 dB3.47
Peak105 Hz+0.2 dB1.81

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Preamp: -6.4 dB
Filter 1: ON LSC Fc 105 Hz Gain 7.1 dB Q 0.70
Filter 2: ON PK Fc 92 Hz Gain -3.3 dB Q 0.48
Filter 3: ON PK Fc 486 Hz Gain 1.9 dB Q 0.81
Filter 4: ON PK Fc 3122 Hz Gain -3.8 dB Q 2.55
Filter 5: ON PK Fc 5173 Hz Gain 3.1 dB Q 2.42
Filter 6: ON HSC Fc 10000 Hz Gain -1.1 dB Q 0.70
Filter 7: ON PK Fc 36 Hz Gain 0.6 dB Q 4.22
Filter 8: ON PK Fc 58 Hz Gain -0.4 dB Q 2.04
Filter 9: ON PK Fc 1382 Hz Gain -0.4 dB Q 3.47
Filter 10: ON PK Fc 105 Hz Gain 0.2 dB Q 1.81

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.6 dB
62 Hz+2.3 dB
125 Hz−0.8 dB
250 Hz−0.7 dB
500 Hz+1.5 dB
1 kHz+0.3 dB
2 kHz−0.5 dB
4 kHz−0.2 dB
8 kHz+0.4 dB
16 kHz−1.0 dB
Preamp−6.4 dB
-12-6+0+6+12201001k10k20k

Measured by Super Review. Preamp −6.4 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+6.8 dB0.70
Peak9.82 kHz+5.7 dB1.15
Peak115 Hz−3.4 dB0.48
Peak4.26 kHz+3.4 dB4.08
Peak3.06 kHz−2.5 dB3.61
High shelf10 kHz−3.3 dB0.70
Peak1.3 kHz−1.3 dB2.72
Peak2 kHz+1.1 dB2.98
Peak422 Hz+0.5 dB1.30
Peak237 Hz−0.5 dB2.01

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Preamp: -6.4 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.8 dB Q 0.70
Filter 2: ON PK Fc 9819 Hz Gain 5.7 dB Q 1.15
Filter 3: ON PK Fc 115 Hz Gain -3.4 dB Q 0.48
Filter 4: ON PK Fc 4265 Hz Gain 3.4 dB Q 4.08
Filter 5: ON PK Fc 3056 Hz Gain -2.5 dB Q 3.61
Filter 6: ON HSC Fc 10000 Hz Gain -3.3 dB Q 0.70
Filter 7: ON PK Fc 1300 Hz Gain -1.3 dB Q 2.72
Filter 8: ON PK Fc 1999 Hz Gain 1.1 dB Q 2.98
Filter 9: ON PK Fc 422 Hz Gain 0.5 dB Q 1.30
Filter 10: ON PK Fc 237 Hz Gain -0.5 dB Q 2.01

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.4 dB
62 Hz+2.9 dB
125 Hz−1.4 dB
250 Hz−2.0 dB
500 Hz+0.1 dB
1 kHz−0.6 dB
2 kHz+0.5 dB
4 kHz+2.3 dB
8 kHz+3.5 dB
16 kHz−1.1 dB
Preamp−6.4 dB
-12-6+0+6+12201001k10k20k

Measured by Innerfidelity. Preamp −6.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+6.1 dB0.70
Peak7.28 kHz+4.6 dB0.89
Peak163 Hz−3.1 dB0.59
Peak3.52 kHz−4.3 dB3.75
Peak54 Hz+1.2 dB1.88
High shelf10 kHz−0.8 dB0.70
Peak2.12 kHz+1.6 dB3.32
Peak1.28 kHz−0.9 dB3.34
Peak6.6 kHz+1.7 dB6.00
Peak5.56 kHz−1.0 dB3.64

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Preamp: -6.1 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.1 dB Q 0.70
Filter 2: ON PK Fc 7281 Hz Gain 4.6 dB Q 0.89
Filter 3: ON PK Fc 163 Hz Gain -3.1 dB Q 0.59
Filter 4: ON PK Fc 3516 Hz Gain -4.3 dB Q 3.75
Filter 5: ON PK Fc 54 Hz Gain 1.2 dB Q 1.88
Filter 6: ON HSC Fc 10000 Hz Gain -0.8 dB Q 0.70
Filter 7: ON PK Fc 2121 Hz Gain 1.6 dB Q 3.32
Filter 8: ON PK Fc 1277 Hz Gain -0.9 dB Q 3.34
Filter 9: ON PK Fc 6601 Hz Gain 1.7 dB Q 6.00
Filter 10: ON PK Fc 5561 Hz Gain -1.0 dB Q 3.64

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.1 dB
62 Hz+4.6 dB
125 Hz−1.3 dB
250 Hz−2.1 dB
500 Hz−0.4 dB
1 kHz−0.5 dB
2 kHz+1.7 dB
4 kHz−1.4 dB
8 kHz+4.5 dB
16 kHz−0.1 dB
Preamp−6.1 dB
-12-6+0+6+12201001k10k20k

Measured by Kuulokenurkka. Preamp −6.3 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+6.6 dB0.70
Peak149 Hz−2.9 dB0.45
Peak460 Hz+1.4 dB1.01
Peak3.16 kHz−3.4 dB3.44
Peak4.48 kHz+4.4 dB4.17
High shelf10 kHz+0.6 dB0.70
Peak9.62 kHz+5.1 dB3.05
Peak7.9 kHz+1.3 dB3.49
Peak1.39 kHz−0.8 dB2.51
Peak1.95 kHz+0.7 dB3.71

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Preamp: -6.3 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.6 dB Q 0.70
Filter 2: ON PK Fc 149 Hz Gain -2.9 dB Q 0.45
Filter 3: ON PK Fc 460 Hz Gain 1.4 dB Q 1.01
Filter 4: ON PK Fc 3162 Hz Gain -3.4 dB Q 3.44
Filter 5: ON PK Fc 4476 Hz Gain 4.4 dB Q 4.17
Filter 6: ON HSC Fc 10000 Hz Gain 0.6 dB Q 0.70
Filter 7: ON PK Fc 9618 Hz Gain 5.1 dB Q 3.05
Filter 8: ON PK Fc 7899 Hz Gain 1.3 dB Q 3.49
Filter 9: ON PK Fc 1389 Hz Gain -0.8 dB Q 2.51
Filter 10: ON PK Fc 1954 Hz Gain 0.7 dB Q 3.71

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.4 dB
62 Hz+3.5 dB
125 Hz−1.0 dB
250 Hz−1.7 dB
500 Hz+0.7 dB
1 kHz−0.3 dB
2 kHz+0.1 dB
4 kHz+0.9 dB
8 kHz+3.6 dB
16 kHz+0.3 dB
Preamp−6.3 dB
-12-6+0+6+12201001k10k20k

Measured by Auriculares Argentina. Preamp −6.3 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+6.5 dB0.70
Peak147 Hz−3.3 dB0.62
Peak7.85 kHz+5.1 dB1.77
Peak2.01 kHz+1.9 dB4.49
Peak5.64 kHz−3.3 dB4.40
High shelf10 kHz−6.4 dB0.70
Peak3.15 kHz−2.1 dB3.59
Peak4.37 kHz+1.5 dB5.99
Peak1.17 kHz−0.5 dB3.14
Peak2.36 kHz+1.0 dB5.56

Copy into another equalizer

Preamp: -6.3 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.5 dB Q 0.70
Filter 2: ON PK Fc 147 Hz Gain -3.3 dB Q 0.62
Filter 3: ON PK Fc 7851 Hz Gain 5.1 dB Q 1.77
Filter 4: ON PK Fc 2010 Hz Gain 1.9 dB Q 4.49
Filter 5: ON PK Fc 5645 Hz Gain -3.3 dB Q 4.40
Filter 6: ON HSC Fc 10000 Hz Gain -6.4 dB Q 0.70
Filter 7: ON PK Fc 3152 Hz Gain -2.1 dB Q 3.59
Filter 8: ON PK Fc 4367 Hz Gain 1.5 dB Q 5.99
Filter 9: ON PK Fc 1167 Hz Gain -0.5 dB Q 3.14
Filter 10: ON PK Fc 2356 Hz Gain 1.0 dB Q 5.56

AutoEQ also publishes a 127-point graphic curve, a fixed-band version, the raw measurement and the response graph for this measurement: see the source files.

Ten-band version

BandGain
31 Hz+5.4 dB
62 Hz+3.7 dB
125 Hz−1.5 dB
250 Hz−1.9 dB
500 Hz−0.3 dB
1 kHz−0.7 dB
2 kHz+2.1 dB
4 kHz−0.5 dB
8 kHz+4.0 dB
16 kHz−5.7 dB
Preamp−6.3 dB

What this correction changes

The largest boost is +5.4 dB at sub-bass (31 Hz), and the largest cut is −1.5 dB at lower midrange (250 Hz). Total swing across the ten bands is 6.8 dB. Averaged over its bands the bass is lifted by 2.3 dB, more than the other two, which is where most of the audible change lands.

The 6 published measurements on this page, from 6 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 6.0 dB, and least at sub-bass (31 Hz), where they span 0.4 dB. A spread that wide usually means the rigs disagree about the seal or the coupler rather than about the headphone, so prefer the measurement whose conditions match how you actually wear them.

Applying this on a Mac

The Sennheiser HD 6XX is worn around the ear, where the pads decide a good deal of what the measurement rig saw. Worn or replaced pads move the response, which is why several models here carry separate curves for exactly that. If yours are old, expect the correction to be a near miss rather than an exact one.

A correction also assumes the headphone is being driven properly. A high-impedance pair running straight out of a Mac at high volume can lose grip in the low end for reasons no equalizer fixes, so if the bass still sounds soft after applying this, the amplifier is the thing to change, not the curve.

In EQBase the fastest route skips this page entirely: open the Headphones pane, search for your model, and apply the correction. The Sennheiser HD 6XX is in the built-in catalog along with 8,665 other models. The preset above exists for people who want to see the numbers first, or who want a specific measurement rather than the default one.

Either way the correction applies to every app at once, and the free tier carries it with no time limit. The Sennheiser HD 6XX preset above sets the ten-band curve, which is what the free tier applies, so nothing on this page is behind a purchase.

Common questions

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 Sennheiser HD 6XX numbers come from?

From 6 published AutoEQ measurements of the Sennheiser HD 6XX, made by oratory1990, Rtings, Super Review, Innerfidelity, Kuulokenurkka and Auriculares Argentina. 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 Sennheiser HD 6XX preamp negative?

The Sennheiser HD 6XX correction needs −6.1 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 large figure by the standards of this catalog, which is normal for a model whose correction lifts the bass a long way.

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

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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