Headphone EQ

Truthear x Crinacle Zero RED EQ settings for Mac

Last updated: August 6, 2026

Truthear x Crinacle Zero RED has 22 published AutoEQ corrections, from 14 measurement rigs across 2 variants of the model, 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.

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 −2.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−0.5 dB0.70
Peak6.16 kHz+2.2 dB2.44
Peak341 Hz−1.0 dB1.46
Peak70 Hz+1.0 dB0.61
Peak1.28 kHz−0.6 dB2.04
High shelf10 kHz−1.8 dB0.70
Peak2.43 kHz+0.7 dB2.98
Peak3.59 kHz−0.6 dB3.06
Peak8.54 kHz+1.1 dB3.84
Peak769 Hz+0.2 dB3.01

Copy into another equalizer

Preamp: -2.1 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.5 dB Q 0.70
Filter 2: ON PK Fc 6163 Hz Gain 2.2 dB Q 2.44
Filter 3: ON PK Fc 341 Hz Gain -1.0 dB Q 1.46
Filter 4: ON PK Fc 70 Hz Gain 1.0 dB Q 0.61
Filter 5: ON PK Fc 1284 Hz Gain -0.6 dB Q 2.04
Filter 6: ON HSC Fc 10000 Hz Gain -1.8 dB Q 0.70
Filter 7: ON PK Fc 2432 Hz Gain 0.7 dB Q 2.98
Filter 8: ON PK Fc 3588 Hz Gain -0.6 dB Q 3.06
Filter 9: ON PK Fc 8541 Hz Gain 1.1 dB Q 3.84
Filter 10: ON PK Fc 769 Hz Gain 0.2 dB Q 3.01

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−0.2 dB
62 Hz+0.5 dB
125 Hz+0.4 dB
250 Hz−0.4 dB
500 Hz−0.3 dB
1 kHz−0.2 dB
2 kHz+0.2 dB
4 kHz−0.3 dB
8 kHz+1.6 dB
16 kHz−1.7 dB
Preamp−2.1 dB
-12-6+0+6+12201001k10k20k

Measured by crinacle. Preamp −5.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.6 dB0.70
Peak1.67 kHz−2.0 dB0.55
Peak350 Hz+1.2 dB1.28
Peak148 Hz+2.1 dB0.25
Peak282 Hz−2.1 dB2.02
High shelf10 kHz+5.1 dB0.70
Peak9.73 kHz−2.0 dB4.02
Peak4.48 kHz−1.1 dB2.92
Peak6.19 kHz+0.9 dB4.55
Peak179 Hz+0.4 dB4.08

Copy into another equalizer

Preamp: -5.1 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.6 dB Q 0.70
Filter 2: ON PK Fc 1667 Hz Gain -2.0 dB Q 0.55
Filter 3: ON PK Fc 350 Hz Gain 1.2 dB Q 1.28
Filter 4: ON PK Fc 148 Hz Gain 2.1 dB Q 0.25
Filter 5: ON PK Fc 282 Hz Gain -2.1 dB Q 2.02
Filter 6: ON HSC Fc 10000 Hz Gain 5.1 dB Q 0.70
Filter 7: ON PK Fc 9731 Hz Gain -2.0 dB Q 4.02
Filter 8: ON PK Fc 4483 Hz Gain -1.1 dB Q 2.92
Filter 9: ON PK Fc 6189 Hz Gain 0.9 dB Q 4.55
Filter 10: ON PK Fc 179 Hz Gain 0.4 dB Q 4.08

Ten-band version

BandGain
31 Hz−1.6 dB
62 Hz−0.6 dB
125 Hz+1.2 dB
250 Hz+0.4 dB
500 Hz+1.2 dB
1 kHz−0.8 dB
2 kHz−1.5 dB
4 kHz−1.4 dB
8 kHz+0.2 dB
16 kHz+4.2 dB
Preamp−5.1 dB
-12-6+0+6+12201001k10k20k

Measured by Rtings. Preamp −3.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.8 dB0.70
Peak1.67 kHz−1.9 dB0.40
Peak177 Hz+3.4 dB1.82
Peak495 Hz+2.2 dB1.30
Peak29 Hz−0.8 dB1.65
High shelf10 kHz+2.6 dB0.70
Peak4.75 kHz−0.9 dB1.98
Peak8.34 kHz+0.9 dB3.96
Peak2.3 kHz+0.8 dB3.79
Peak1.65 kHz−0.3 dB3.85

Copy into another equalizer

Preamp: -3.1 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.8 dB Q 0.70
Filter 2: ON PK Fc 1671 Hz Gain -1.9 dB Q 0.40
Filter 3: ON PK Fc 177 Hz Gain 3.4 dB Q 1.82
Filter 4: ON PK Fc 495 Hz Gain 2.2 dB Q 1.30
Filter 5: ON PK Fc 29 Hz Gain -0.8 dB Q 1.65
Filter 6: ON HSC Fc 10000 Hz Gain 2.6 dB Q 0.70
Filter 7: ON PK Fc 4752 Hz Gain -0.9 dB Q 1.98
Filter 8: ON PK Fc 8342 Hz Gain 0.9 dB Q 3.96
Filter 9: ON PK Fc 2300 Hz Gain 0.8 dB Q 3.79
Filter 10: ON PK Fc 1651 Hz Gain -0.3 dB Q 3.85

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−3.2 dB
62 Hz−2.0 dB
125 Hz+0.6 dB
250 Hz+1.2 dB
500 Hz+1.6 dB
1 kHz−1.2 dB
2 kHz−1.1 dB
4 kHz−1.7 dB
8 kHz+0.9 dB
16 kHz+2.0 dB
Preamp−3.1 dB
-12-6+0+6+12201001k10k20k

Measured by Super Review. Preamp −2.7 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.1 dB0.70
Peak311 Hz−1.4 dB1.49
Peak6.15 kHz+2.7 dB2.72
Peak2.47 kHz+1.7 dB2.52
Peak134 Hz−0.9 dB1.78
High shelf10 kHz−1.5 dB0.70
Peak861 Hz+0.8 dB2.32
Peak1.4 kHz−0.5 dB2.47
Peak8.68 kHz+1.3 dB5.46
Peak476 Hz−0.3 dB2.78

Copy into another equalizer

Preamp: -2.7 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.1 dB Q 0.70
Filter 2: ON PK Fc 311 Hz Gain -1.4 dB Q 1.49
Filter 3: ON PK Fc 6150 Hz Gain 2.7 dB Q 2.72
Filter 4: ON PK Fc 2472 Hz Gain 1.7 dB Q 2.52
Filter 5: ON PK Fc 134 Hz Gain -0.9 dB Q 1.78
Filter 6: ON HSC Fc 10000 Hz Gain -1.5 dB Q 0.70
Filter 7: ON PK Fc 861 Hz Gain 0.8 dB Q 2.32
Filter 8: ON PK Fc 1402 Hz Gain -0.5 dB Q 2.47
Filter 9: ON PK Fc 8681 Hz Gain 1.3 dB Q 5.46
Filter 10: ON PK Fc 476 Hz Gain -0.3 dB Q 2.78

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+0.1 dB
62 Hz+0.1 dB
125 Hz−0.8 dB
250 Hz−0.9 dB
500 Hz−0.6 dB
1 kHz+0.4 dB
2 kHz+0.6 dB
4 kHz+0.3 dB
8 kHz+1.4 dB
16 kHz−1.5 dB
Preamp−2.7 dB
-12-6+0+6+12201001k10k20k

Measured by Harpo. Preamp −2.8 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.5 dB0.70
Peak264 Hz−1.0 dB0.47
Peak5.77 kHz+2.8 dB1.09
Peak2.2 kHz+0.8 dB2.01
Peak1.56 kHz−0.9 dB1.91
High shelf10 kHz−3.0 dB0.70
Peak9.33 kHz+1.5 dB2.27
Peak363 Hz−0.5 dB1.91
Peak236 Hz+0.5 dB2.19
Peak767 Hz+0.4 dB2.61

Copy into another equalizer

Preamp: -2.8 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.5 dB Q 0.70
Filter 2: ON PK Fc 264 Hz Gain -1.0 dB Q 0.47
Filter 3: ON PK Fc 5772 Hz Gain 2.8 dB Q 1.09
Filter 4: ON PK Fc 2199 Hz Gain 0.8 dB Q 2.01
Filter 5: ON PK Fc 1558 Hz Gain -0.9 dB Q 1.91
Filter 6: ON HSC Fc 10000 Hz Gain -3.0 dB Q 0.70
Filter 7: ON PK Fc 9328 Hz Gain 1.5 dB Q 2.27
Filter 8: ON PK Fc 363 Hz Gain -0.5 dB Q 1.91
Filter 9: ON PK Fc 236 Hz Gain 0.5 dB Q 2.19
Filter 10: ON PK Fc 767 Hz Gain 0.4 dB Q 2.61

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+0.4 dB
62 Hz+0.2 dB
125 Hz−0.4 dB
250 Hz−0.5 dB
500 Hz−0.7 dB
1 kHz−0.2 dB
2 kHz+0.3 dB
4 kHz+1.4 dB
8 kHz+2.2 dB
16 kHz−2.5 dB
Preamp−2.8 dB
-12-6+0+6+12201001k10k20k

Measured by Filk. Preamp −1.6 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+1.3 dB0.70
Peak161 Hz+1.5 dB1.16
Peak1.41 kHz−1.2 dB0.98
Peak7.89 kHz+1.9 dB1.17
Peak393 Hz−0.8 dB1.10
High shelf10 kHz−2.0 dB0.70
Peak44 Hz−0.3 dB1.79
Peak3.4 kHz−0.8 dB2.54
Peak5.58 kHz+0.9 dB3.86
Peak2.19 kHz+0.5 dB3.38

Copy into another equalizer

Preamp: -1.6 dB
Filter 1: ON LSC Fc 105 Hz Gain 1.3 dB Q 0.70
Filter 2: ON PK Fc 161 Hz Gain 1.5 dB Q 1.16
Filter 3: ON PK Fc 1410 Hz Gain -1.2 dB Q 0.98
Filter 4: ON PK Fc 7891 Hz Gain 1.9 dB Q 1.17
Filter 5: ON PK Fc 393 Hz Gain -0.8 dB Q 1.10
Filter 6: ON HSC Fc 10000 Hz Gain -2.0 dB Q 0.70
Filter 7: ON PK Fc 44 Hz Gain -0.3 dB Q 1.79
Filter 8: ON PK Fc 3400 Hz Gain -0.8 dB Q 2.54
Filter 9: ON PK Fc 5575 Hz Gain 0.9 dB Q 3.86
Filter 10: ON PK Fc 2193 Hz Gain 0.5 dB Q 3.38

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+1.0 dB
62 Hz+0.8 dB
125 Hz+1.2 dB
250 Hz+0.2 dB
500 Hz−0.6 dB
1 kHz−0.7 dB
2 kHz−0.3 dB
4 kHz−0.2 dB
8 kHz+1.7 dB
16 kHz−1.6 dB
Preamp−1.6 dB
-12-6+0+6+12201001k10k20k

Measured by Fahryst. Preamp −3.8 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−0.4 dB0.70
Peak5.67 kHz+3.6 dB2.37
Peak8.88 kHz+3.1 dB2.46
Peak1.32 kHz−1.3 dB1.71
Peak437 Hz−0.9 dB1.48
High shelf10 kHz−1.8 dB0.70
Peak196 Hz+0.4 dB2.49
Peak2.38 kHz+0.7 dB3.74
Peak3.25 kHz−0.6 dB3.53
Peak30 Hz−0.2 dB2.12

Copy into another equalizer

Preamp: -3.8 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.4 dB Q 0.70
Filter 2: ON PK Fc 5670 Hz Gain 3.6 dB Q 2.37
Filter 3: ON PK Fc 8876 Hz Gain 3.1 dB Q 2.46
Filter 4: ON PK Fc 1323 Hz Gain -1.3 dB Q 1.71
Filter 5: ON PK Fc 437 Hz Gain -0.9 dB Q 1.48
Filter 6: ON HSC Fc 10000 Hz Gain -1.8 dB Q 0.70
Filter 7: ON PK Fc 196 Hz Gain 0.4 dB Q 2.49
Filter 8: ON PK Fc 2384 Hz Gain 0.7 dB Q 3.74
Filter 9: ON PK Fc 3246 Hz Gain -0.6 dB Q 3.53
Filter 10: ON PK Fc 30 Hz Gain -0.2 dB Q 2.12

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−0.5 dB
62 Hz−0.3 dB
125 Hz−0.0 dB
250 Hz+0.1 dB
500 Hz−0.7 dB
1 kHz−0.6 dB
2 kHz−0.1 dB
4 kHz+0.4 dB
8 kHz+3.2 dB
16 kHz−1.8 dB
Preamp−3.8 dB
-12-6+0+6+12201001k10k20k

Measured by Jaytiss. Preamp −4.6 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+1.7 dB0.70
Peak6.23 kHz+4.7 dB1.54
Peak1.46 kHz−1.6 dB1.42
Peak363 Hz−1.4 dB0.92
Peak190 Hz+0.5 dB1.88
High shelf10 kHz−2.6 dB0.70
Peak60 Hz−0.5 dB1.44
Peak9.2 kHz+1.4 dB2.35
Peak3.15 kHz−0.6 dB3.04
Peak2.31 kHz+0.4 dB3.10

Copy into another equalizer

Preamp: -4.6 dB
Filter 1: ON LSC Fc 105 Hz Gain 1.7 dB Q 0.70
Filter 2: ON PK Fc 6226 Hz Gain 4.7 dB Q 1.54
Filter 3: ON PK Fc 1461 Hz Gain -1.6 dB Q 1.42
Filter 4: ON PK Fc 363 Hz Gain -1.4 dB Q 0.92
Filter 5: ON PK Fc 190 Hz Gain 0.5 dB Q 1.88
Filter 6: ON HSC Fc 10000 Hz Gain -2.6 dB Q 0.70
Filter 7: ON PK Fc 60 Hz Gain -0.5 dB Q 1.44
Filter 8: ON PK Fc 9196 Hz Gain 1.4 dB Q 2.35
Filter 9: ON PK Fc 3148 Hz Gain -0.6 dB Q 3.04
Filter 10: ON PK Fc 2307 Hz Gain 0.4 dB Q 3.10

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+1.4 dB
62 Hz+0.7 dB
125 Hz+0.4 dB
250 Hz−0.6 dB
500 Hz−0.9 dB
1 kHz−0.6 dB
2 kHz−0.6 dB
4 kHz+0.9 dB
8 kHz+3.4 dB
16 kHz−2.4 dB
Preamp−4.6 dB
-12-6+0+6+12201001k10k20k

Measured by Kazi. Preamp −4.2 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−5.3 dB0.70
Peak9.96 kHz+3.5 dB0.37
Peak164 Hz−2.0 dB0.45
Peak5.14 kHz+1.0 dB2.64
Peak69 Hz+1.9 dB1.04
High shelf10 kHz−2.0 dB0.70
Peak1.44 kHz−0.8 dB1.86
Peak2.19 kHz+0.8 dB2.87
Peak8.47 kHz+1.3 dB4.71
Peak774 Hz+0.4 dB2.05

Copy into another equalizer

Preamp: -4.2 dB
Filter 1: ON LSC Fc 105 Hz Gain -5.3 dB Q 0.70
Filter 2: ON PK Fc 9963 Hz Gain 3.5 dB Q 0.37
Filter 3: ON PK Fc 164 Hz Gain -2.0 dB Q 0.45
Filter 4: ON PK Fc 5136 Hz Gain 1.0 dB Q 2.64
Filter 5: ON PK Fc 69 Hz Gain 1.9 dB Q 1.04
Filter 6: ON HSC Fc 10000 Hz Gain -2.0 dB Q 0.70
Filter 7: ON PK Fc 1443 Hz Gain -0.8 dB Q 1.86
Filter 8: ON PK Fc 2194 Hz Gain 0.8 dB Q 2.87
Filter 9: ON PK Fc 8474 Hz Gain 1.3 dB Q 4.71
Filter 10: ON PK Fc 774 Hz Gain 0.4 dB Q 2.05

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−4.6 dB
62 Hz−2.6 dB
125 Hz−2.1 dB
250 Hz−1.2 dB
500 Hz−0.4 dB
1 kHz−0.1 dB
2 kHz+0.8 dB
4 kHz+1.7 dB
8 kHz+3.5 dB
16 kHz+0.7 dB
Preamp−4.2 dB
-12-6+0+6+12201001k10k20k

Measured by ToneDeafMonk. Preamp −3.6 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.7 dB0.70
Peak9.21 kHz+3.4 dB2.43
Peak320 Hz−0.9 dB1.24
Peak5.62 kHz+2.7 dB2.80
Peak1.22 kHz−0.8 dB2.28
High shelf10 kHz−0.0 dB0.70
Peak2.31 kHz+0.7 dB3.11
Peak71 Hz+0.5 dB1.56
Peak28 Hz−0.4 dB2.26
Peak136 Hz−0.2 dB1.48

Copy into another equalizer

Preamp: -3.6 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.7 dB Q 0.70
Filter 2: ON PK Fc 9213 Hz Gain 3.4 dB Q 2.43
Filter 3: ON PK Fc 320 Hz Gain -0.9 dB Q 1.24
Filter 4: ON PK Fc 5624 Hz Gain 2.7 dB Q 2.80
Filter 5: ON PK Fc 1221 Hz Gain -0.8 dB Q 2.28
Filter 6: ON HSC Fc 10000 Hz Gain -0.0 dB Q 0.70
Filter 7: ON PK Fc 2311 Hz Gain 0.7 dB Q 3.11
Filter 8: ON PK Fc 71 Hz Gain 0.5 dB Q 1.56
Filter 9: ON PK Fc 28 Hz Gain -0.4 dB Q 2.26
Filter 10: ON PK Fc 136 Hz Gain -0.2 dB Q 1.48

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+0.2 dB
62 Hz+1.0 dB
125 Hz−0.0 dB
250 Hz−0.6 dB
500 Hz−0.2 dB
1 kHz−0.5 dB
2 kHz+0.3 dB
4 kHz+0.2 dB
8 kHz+2.8 dB
16 kHz−0.1 dB
Preamp−3.6 dB
-12-6+0+6+12201001k10k20k

Measured by DHRME. Preamp −1.7 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.7 dB0.70
Peak3.77 kHz−1.4 dB2.64
Peak5.91 kHz+1.9 dB4.02
Peak1.5 kHz−0.8 dB2.01
Peak2.33 kHz+0.8 dB2.40
High shelf10 kHz−1.2 dB0.70
Peak697 Hz+0.4 dB2.07
Peak145 Hz+0.5 dB5.51
Peak8.92 kHz+0.9 dB5.98
Peak384 Hz−0.3 dB3.31

Copy into another equalizer

Preamp: -1.7 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.7 dB Q 0.70
Filter 2: ON PK Fc 3768 Hz Gain -1.4 dB Q 2.64
Filter 3: ON PK Fc 5905 Hz Gain 1.9 dB Q 4.02
Filter 4: ON PK Fc 1496 Hz Gain -0.8 dB Q 2.01
Filter 5: ON PK Fc 2335 Hz Gain 0.8 dB Q 2.40
Filter 6: ON HSC Fc 10000 Hz Gain -1.2 dB Q 0.70
Filter 7: ON PK Fc 697 Hz Gain 0.4 dB Q 2.07
Filter 8: ON PK Fc 145 Hz Gain 0.5 dB Q 5.51
Filter 9: ON PK Fc 8920 Hz Gain 0.9 dB Q 5.98
Filter 10: ON PK Fc 384 Hz Gain -0.3 dB Q 3.31

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+0.6 dB
62 Hz+0.5 dB
125 Hz+0.3 dB
250 Hz−0.1 dB
500 Hz+0.1 dB
1 kHz−0.1 dB
2 kHz+0.3 dB
4 kHz−1.2 dB
8 kHz+0.6 dB
16 kHz−1.1 dB
Preamp−1.7 dB
-12-6+0+6+12201001k10k20k

Measured by Auriculares Argentina. Preamp −5.3 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.5 dB0.70
Peak6.29 kHz+5.4 dB3.00
Peak334 Hz−1.8 dB1.13
Peak2.3 kHz+1.3 dB2.65
Peak47 Hz−0.5 dB1.13
High shelf10 kHz−3.0 dB0.70
Peak114 Hz−0.4 dB2.08
Peak824 Hz+0.4 dB2.82
Peak7.3 kHz+1.2 dB5.72
Peak3.6 kHz−0.4 dB3.86

Copy into another equalizer

Preamp: -5.3 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.5 dB Q 0.70
Filter 2: ON PK Fc 6286 Hz Gain 5.4 dB Q 3.00
Filter 3: ON PK Fc 334 Hz Gain -1.8 dB Q 1.13
Filter 4: ON PK Fc 2303 Hz Gain 1.3 dB Q 2.65
Filter 5: ON PK Fc 47 Hz Gain -0.5 dB Q 1.13
Filter 6: ON HSC Fc 10000 Hz Gain -3.0 dB Q 0.70
Filter 7: ON PK Fc 114 Hz Gain -0.4 dB Q 2.08
Filter 8: ON PK Fc 824 Hz Gain 0.4 dB Q 2.82
Filter 9: ON PK Fc 7304 Hz Gain 1.2 dB Q 5.72
Filter 10: ON PK Fc 3595 Hz Gain -0.4 dB Q 3.86

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−2.3 dB
62 Hz−2.1 dB
125 Hz−0.8 dB
250 Hz−1.0 dB
500 Hz−0.7 dB
1 kHz+0.1 dB
2 kHz+0.8 dB
4 kHz+0.0 dB
8 kHz+2.0 dB
16 kHz−2.8 dB
Preamp−5.3 dB
-12-6+0+6+12201001k10k20k

Measured by freeryder05. Preamp −2.4 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.1 dB0.70
Peak5.24 kHz+2.4 dB2.29
Peak374 Hz−1.2 dB1.83
Peak8.76 kHz+2.6 dB3.27
Peak1.26 kHz−0.7 dB2.09
High shelf10 kHz−2.1 dB0.70
Peak2.3 kHz+0.5 dB3.21
Peak208 Hz+0.4 dB1.95
Peak37 Hz−0.2 dB2.06
Peak283 Hz−0.4 dB4.23

Copy into another equalizer

Preamp: -2.4 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.1 dB Q 0.70
Filter 2: ON PK Fc 5244 Hz Gain 2.4 dB Q 2.29
Filter 3: ON PK Fc 374 Hz Gain -1.2 dB Q 1.83
Filter 4: ON PK Fc 8763 Hz Gain 2.6 dB Q 3.27
Filter 5: ON PK Fc 1264 Hz Gain -0.7 dB Q 2.09
Filter 6: ON HSC Fc 10000 Hz Gain -2.1 dB Q 0.70
Filter 7: ON PK Fc 2297 Hz Gain 0.5 dB Q 3.21
Filter 8: ON PK Fc 208 Hz Gain 0.4 dB Q 1.95
Filter 9: ON PK Fc 37 Hz Gain -0.2 dB Q 2.06
Filter 10: ON PK Fc 283 Hz Gain -0.4 dB Q 4.23

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−0.0 dB
62 Hz+0.1 dB
125 Hz+0.1 dB
250 Hz−0.2 dB
500 Hz−0.5 dB
1 kHz−0.3 dB
2 kHz+0.1 dB
4 kHz+0.7 dB
8 kHz+2.1 dB
16 kHz−2.0 dB
Preamp−2.4 dB
-12-6+0+6+12201001k10k20k

Measured by Bakkwatan. Preamp −4.2 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−0.2 dB0.70
Peak10 kHz+3.6 dB0.62
Peak346 Hz−1.8 dB1.06
Peak5.23 kHz+2.2 dB2.52
Peak1.36 kHz−1.0 dB1.71
High shelf10 kHz−2.9 dB0.70
Peak73 Hz+0.5 dB1.29
Peak8.76 kHz+1.6 dB4.02
Peak26 Hz−0.7 dB2.69
Peak180 Hz−0.1 dB1.41

Copy into another equalizer

Preamp: -4.2 dB
Filter 1: ON LSC Fc 105 Hz Gain -0.2 dB Q 0.70
Filter 2: ON PK Fc 10000 Hz Gain 3.6 dB Q 0.62
Filter 3: ON PK Fc 346 Hz Gain -1.8 dB Q 1.06
Filter 4: ON PK Fc 5233 Hz Gain 2.2 dB Q 2.52
Filter 5: ON PK Fc 1357 Hz Gain -1.0 dB Q 1.71
Filter 6: ON HSC Fc 10000 Hz Gain -2.9 dB Q 0.70
Filter 7: ON PK Fc 73 Hz Gain 0.5 dB Q 1.29
Filter 8: ON PK Fc 8757 Hz Gain 1.6 dB Q 4.02
Filter 9: ON PK Fc 26 Hz Gain -0.7 dB Q 2.69
Filter 10: ON PK Fc 180 Hz Gain -0.1 dB Q 1.41

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−0.6 dB
62 Hz+0.3 dB
125 Hz−0.0 dB
250 Hz−1.1 dB
500 Hz−0.9 dB
1 kHz−0.4 dB
2 kHz−0.2 dB
4 kHz+1.4 dB
8 kHz+3.8 dB
16 kHz−0.5 dB
Preamp−4.2 dB
-12-6+0+6+12201001k10k20k

Measured by crinacle. Preamp −6.0 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−3.9 dB0.70
Peak1.62 kHz−1.5 dB1.64
Peak436 Hz+1.5 dB1.57
Peak4.38 kHz−1.9 dB1.94
Peak6.66 kHz+1.7 dB1.02
High shelf10 kHz+6.1 dB0.70
Peak10 kHz−2.8 dB1.62
Peak187 Hz+1.5 dB2.37
Peak71 Hz+0.6 dB2.36
Peak243 Hz−1.2 dB2.76

Copy into another equalizer

Preamp: -6.0 dB
Filter 1: ON LSC Fc 105 Hz Gain -3.9 dB Q 0.70
Filter 2: ON PK Fc 1618 Hz Gain -1.5 dB Q 1.64
Filter 3: ON PK Fc 436 Hz Gain 1.5 dB Q 1.57
Filter 4: ON PK Fc 4385 Hz Gain -1.9 dB Q 1.94
Filter 5: ON PK Fc 6661 Hz Gain 1.7 dB Q 1.02
Filter 6: ON HSC Fc 10000 Hz Gain 6.1 dB Q 0.70
Filter 7: ON PK Fc 10000 Hz Gain -2.8 dB Q 1.62
Filter 8: ON PK Fc 187 Hz Gain 1.5 dB Q 2.37
Filter 9: ON PK Fc 71 Hz Gain 0.6 dB Q 2.36
Filter 10: ON PK Fc 243 Hz Gain -1.2 dB Q 2.76

Ten-band version

BandGain
31 Hz−3.4 dB
62 Hz−2.3 dB
125 Hz−0.4 dB
250 Hz−0.5 dB
500 Hz+1.4 dB
1 kHz−0.3 dB
2 kHz−0.8 dB
4 kHz−1.2 dB
8 kHz+0.5 dB
16 kHz+4.7 dB
Preamp−6.0 dB
-12-6+0+6+12201001k10k20k

Measured by Super Review. Preamp −3.1 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.5 dB0.70
Peak175 Hz−2.2 dB0.63
Peak6.29 kHz+3.0 dB1.89
Peak2.39 kHz+2.1 dB1.66
Peak64 Hz+0.7 dB1.27
High shelf10 kHz−0.6 dB0.70
Peak843 Hz+1.2 dB1.73
Peak335 Hz−0.6 dB1.53
Peak1.54 kHz−0.5 dB2.51
Peak200 Hz+0.6 dB3.64

Copy into another equalizer

Preamp: -3.1 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.5 dB Q 0.70
Filter 2: ON PK Fc 175 Hz Gain -2.2 dB Q 0.63
Filter 3: ON PK Fc 6291 Hz Gain 3.0 dB Q 1.89
Filter 4: ON PK Fc 2392 Hz Gain 2.1 dB Q 1.66
Filter 5: ON PK Fc 64 Hz Gain 0.7 dB Q 1.27
Filter 6: ON HSC Fc 10000 Hz Gain -0.6 dB Q 0.70
Filter 7: ON PK Fc 843 Hz Gain 1.2 dB Q 1.73
Filter 8: ON PK Fc 335 Hz Gain -0.6 dB Q 1.53
Filter 9: ON PK Fc 1536 Hz Gain -0.5 dB Q 2.51
Filter 10: ON PK Fc 200 Hz Gain 0.6 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−2.2 dB
62 Hz−1.4 dB
125 Hz−1.9 dB
250 Hz−1.5 dB
500 Hz−0.4 dB
1 kHz+0.7 dB
2 kHz+1.2 dB
4 kHz+0.7 dB
8 kHz+1.5 dB
16 kHz−0.6 dB
Preamp−3.1 dB
-12-6+0+6+12201001k10k20k

Measured by Harpo. Preamp −3.8 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.0 dB0.70
Peak5.76 kHz+3.8 dB0.86
Peak133 Hz−2.0 dB0.64
Peak75 Hz+0.7 dB1.41
Peak356 Hz−1.0 dB1.74
High shelf10 kHz−2.5 dB0.70
Peak9.47 kHz+1.0 dB1.99
Peak2.21 kHz+0.8 dB3.21
Peak1.44 kHz−0.6 dB2.06
Peak837 Hz+0.6 dB2.59

Copy into another equalizer

Preamp: -3.8 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.0 dB Q 0.70
Filter 2: ON PK Fc 5762 Hz Gain 3.8 dB Q 0.86
Filter 3: ON PK Fc 133 Hz Gain -2.0 dB Q 0.64
Filter 4: ON PK Fc 75 Hz Gain 0.7 dB Q 1.41
Filter 5: ON PK Fc 356 Hz Gain -1.0 dB Q 1.74
Filter 6: ON HSC Fc 10000 Hz Gain -2.5 dB Q 0.70
Filter 7: ON PK Fc 9470 Hz Gain 1.0 dB Q 1.99
Filter 8: ON PK Fc 2213 Hz Gain 0.8 dB Q 3.21
Filter 9: ON PK Fc 1443 Hz Gain -0.6 dB Q 2.06
Filter 10: ON PK Fc 837 Hz Gain 0.6 dB Q 2.59

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−1.8 dB
62 Hz−1.5 dB
125 Hz−2.0 dB
250 Hz−1.1 dB
500 Hz−0.4 dB
1 kHz+0.1 dB
2 kHz+0.6 dB
4 kHz+2.2 dB
8 kHz+2.8 dB
16 kHz−1.8 dB
Preamp−3.8 dB
-12-6+0+6+12201001k10k20k

Measured by Filk. Preamp −1.7 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+1.8 dB0.70
Peak7.83 kHz+2.0 dB1.24
Peak43 Hz−3.5 dB0.52
Peak447 Hz−0.4 dB0.26
Peak179 Hz+1.3 dB2.06
High shelf10 kHz−1.8 dB0.70
Peak3.66 kHz−0.7 dB2.59
Peak2.17 kHz+1.0 dB3.02
Peak1.5 kHz−0.4 dB2.04
Peak5.81 kHz+0.8 dB4.70

Copy into another equalizer

Preamp: -1.7 dB
Filter 1: ON LSC Fc 105 Hz Gain 1.8 dB Q 0.70
Filter 2: ON PK Fc 7833 Hz Gain 2.0 dB Q 1.24
Filter 3: ON PK Fc 43 Hz Gain -3.5 dB Q 0.52
Filter 4: ON PK Fc 447 Hz Gain -0.4 dB Q 0.26
Filter 5: ON PK Fc 179 Hz Gain 1.3 dB Q 2.06
Filter 6: ON HSC Fc 10000 Hz Gain -1.8 dB Q 0.70
Filter 7: ON PK Fc 3662 Hz Gain -0.7 dB Q 2.59
Filter 8: ON PK Fc 2165 Hz Gain 1.0 dB Q 3.02
Filter 9: ON PK Fc 1498 Hz Gain -0.4 dB Q 2.04
Filter 10: ON PK Fc 5809 Hz Gain 0.8 dB Q 4.70

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−1.1 dB
62 Hz−1.2 dB
125 Hz−0.2 dB
250 Hz−0.1 dB
500 Hz−0.4 dB
1 kHz−0.4 dB
2 kHz+0.6 dB
4 kHz−0.5 dB
8 kHz+1.9 dB
16 kHz−1.5 dB
Preamp−1.7 dB
-12-6+0+6+12201001k10k20k

Measured by Fahryst. Preamp −4.2 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−3.1 dB0.70
Peak5.6 kHz+3.9 dB1.95
Peak128 Hz−1.1 dB1.75
Peak358 Hz−1.1 dB1.06
Peak8.93 kHz+3.6 dB2.34
High shelf10 kHz−1.2 dB0.70
Peak2.43 kHz+0.9 dB2.95
Peak1.46 kHz−0.7 dB1.98
Peak2.07 kHz+0.4 dB3.93
Peak3.34 kHz−0.4 dB3.77

Copy into another equalizer

Preamp: -4.2 dB
Filter 1: ON LSC Fc 105 Hz Gain -3.1 dB Q 0.70
Filter 2: ON PK Fc 5598 Hz Gain 3.9 dB Q 1.95
Filter 3: ON PK Fc 128 Hz Gain -1.1 dB Q 1.75
Filter 4: ON PK Fc 358 Hz Gain -1.1 dB Q 1.06
Filter 5: ON PK Fc 8927 Hz Gain 3.6 dB Q 2.34
Filter 6: ON HSC Fc 10000 Hz Gain -1.2 dB Q 0.70
Filter 7: ON PK Fc 2428 Hz Gain 0.9 dB Q 2.95
Filter 8: ON PK Fc 1457 Hz Gain -0.7 dB Q 1.98
Filter 9: ON PK Fc 2074 Hz Gain 0.4 dB Q 3.93
Filter 10: ON PK Fc 3337 Hz Gain -0.4 dB Q 3.77

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−2.7 dB
62 Hz−2.1 dB
125 Hz−1.7 dB
250 Hz−0.4 dB
500 Hz−0.6 dB
1 kHz−0.3 dB
2 kHz+0.5 dB
4 kHz+0.8 dB
8 kHz+3.9 dB
16 kHz−1.3 dB
Preamp−4.2 dB
-12-6+0+6+12201001k10k20k

Measured by Jaytiss. Preamp −5.9 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz+0.5 dB0.70
Peak127 Hz−2.0 dB0.23
Peak6.23 kHz+5.9 dB1.80
Peak806 Hz+0.6 dB1.49
Peak1.3 kHz−0.8 dB2.04
High shelf10 kHz+0.6 dB0.70
Peak9.7 kHz−0.8 dB2.32
Peak46 Hz−0.4 dB1.65
Peak2.43 kHz+0.6 dB2.85
Peak179 Hz+0.4 dB2.05

Copy into another equalizer

Preamp: -5.9 dB
Filter 1: ON LSC Fc 105 Hz Gain 0.5 dB Q 0.70
Filter 2: ON PK Fc 127 Hz Gain -2.0 dB Q 0.23
Filter 3: ON PK Fc 6230 Hz Gain 5.9 dB Q 1.80
Filter 4: ON PK Fc 806 Hz Gain 0.6 dB Q 1.49
Filter 5: ON PK Fc 1300 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 9700 Hz Gain -0.8 dB Q 2.32
Filter 8: ON PK Fc 46 Hz Gain -0.4 dB Q 1.65
Filter 9: ON PK Fc 2430 Hz Gain 0.6 dB Q 2.85
Filter 10: ON PK Fc 179 Hz Gain 0.4 dB Q 2.05

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−0.5 dB
62 Hz−1.1 dB
125 Hz−1.3 dB
250 Hz−1.2 dB
500 Hz−0.7 dB
1 kHz−0.2 dB
2 kHz+0.0 dB
4 kHz+1.1 dB
8 kHz+2.7 dB
16 kHz+0.2 dB
Preamp−5.9 dB
-12-6+0+6+12201001k10k20k

Measured by ToneDeafMonk. Preamp −4.7 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−1.7 dB0.70
Peak9.16 kHz+4.2 dB2.38
Peak255 Hz−1.7 dB0.96
Peak5.46 kHz+2.6 dB2.63
Peak2.3 kHz+1.4 dB2.48
High shelf10 kHz+0.7 dB0.70
Peak72 Hz+0.6 dB1.67
Peak126 Hz−0.4 dB2.00
Peak732 Hz+0.4 dB2.26
Peak427 Hz−0.2 dB2.35

Copy into another equalizer

Preamp: -4.7 dB
Filter 1: ON LSC Fc 105 Hz Gain -1.7 dB Q 0.70
Filter 2: ON PK Fc 9160 Hz Gain 4.2 dB Q 2.38
Filter 3: ON PK Fc 255 Hz Gain -1.7 dB Q 0.96
Filter 4: ON PK Fc 5463 Hz Gain 2.6 dB Q 2.63
Filter 5: ON PK Fc 2301 Hz Gain 1.4 dB Q 2.48
Filter 6: ON HSC Fc 10000 Hz Gain 0.7 dB Q 0.70
Filter 7: ON PK Fc 72 Hz Gain 0.6 dB Q 1.67
Filter 8: ON PK Fc 126 Hz Gain -0.4 dB Q 2.00
Filter 9: ON PK Fc 732 Hz Gain 0.4 dB Q 2.26
Filter 10: ON PK Fc 427 Hz Gain -0.2 dB Q 2.35

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−1.5 dB
62 Hz−0.7 dB
125 Hz−0.9 dB
250 Hz−1.5 dB
500 Hz−0.3 dB
1 kHz−0.0 dB
2 kHz+0.9 dB
4 kHz+0.2 dB
8 kHz+3.5 dB
16 kHz+0.5 dB
Preamp−4.7 dB
-12-6+0+6+12201001k10k20k

Measured by Bakkwatan. Preamp −4.9 dB. Correction data from the AutoEQ project.

Parametric filters

TypeFrequencyGainQ
Low shelf105 Hz−2.8 dB0.70
Peak10 kHz+4.1 dB0.53
Peak293 Hz−2.3 dB0.70
Peak5.16 kHz+2.3 dB2.30
Peak665 Hz+0.4 dB1.61
High shelf10 kHz−2.8 dB0.70
Peak70 Hz+0.5 dB1.76
Peak8.78 kHz+1.6 dB3.99
Peak1.57 kHz−0.6 dB1.98
Peak2.21 kHz+0.8 dB2.94

Copy into another equalizer

Preamp: -4.9 dB
Filter 1: ON LSC Fc 105 Hz Gain -2.8 dB Q 0.70
Filter 2: ON PK Fc 10000 Hz Gain 4.1 dB Q 0.53
Filter 3: ON PK Fc 293 Hz Gain -2.3 dB Q 0.70
Filter 4: ON PK Fc 5158 Hz Gain 2.3 dB Q 2.30
Filter 5: ON PK Fc 665 Hz Gain 0.4 dB Q 1.61
Filter 6: ON HSC Fc 10000 Hz Gain -2.8 dB Q 0.70
Filter 7: ON PK Fc 70 Hz Gain 0.5 dB Q 1.76
Filter 8: ON PK Fc 8783 Hz Gain 1.6 dB Q 3.99
Filter 9: ON PK Fc 1566 Hz Gain -0.6 dB Q 1.98
Filter 10: ON PK Fc 2210 Hz Gain 0.8 dB Q 2.94

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−2.4 dB
62 Hz−1.6 dB
125 Hz−0.9 dB
250 Hz−1.8 dB
500 Hz−0.8 dB
1 kHz−0.2 dB
2 kHz+0.4 dB
4 kHz+1.9 dB
8 kHz+4.1 dB
16 kHz+0.1 dB
Preamp−4.9 dB

What this correction changes

The largest boost is +1.6 dB at treble (8 kHz), and the largest cut is −1.7 dB at top octave (16 kHz). Total swing across the ten bands is 3.3 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 22 published measurements on this page, from 14 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 7.5 dB, and least at midrange (1 kHz), where they span 1.9 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 Truthear x Crinacle Zero RED 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.

In-ears are sensitive enough that a Mac's own output drives them without help, so the correction is doing all of the work here rather than sharing it with an amplifier.

In EQBase the fastest route skips this page entirely: open the Headphones pane, search for your model, and apply the correction. The Truthear x Crinacle Zero RED 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 Truthear x Crinacle Zero RED 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 Truthear x Crinacle Zero RED numbers come from?

From 22 published AutoEQ measurements of the Truthear x Crinacle Zero RED, made by oratory1990, crinacle, Rtings, Super Review, Harpo, Filk, Fahryst, Jaytiss, Kazi, ToneDeafMonk, DHRME, Auriculares Argentina, freeryder05 and Bakkwatan. 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. The 2 variants (bass+ nozzle, standard) are measured separately and corrected separately.

Why is the Truthear x Crinacle Zero RED preamp negative?

The Truthear x Crinacle Zero RED correction needs −2.1 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 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

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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