Headphone correction · over-ear
Superlux HD 681 EVO EQ settings for Mac
Superlux HD 681 EVO is an over-ear headphone. This measured profile applies 10 parametric bands with a -4.9 dB preamp to bring it toward the Harman target. Low end: it reins in what the measurement shows is too much; treble: it leaves it close to neutral. Biggest single move: -7.5 dB at 50 Hz (Peak).
The measured correction
| Filter | Frequency | Q | Gain |
|---|---|---|---|
| Peak | 50 Hz | 0.46 | -7.5 dB |
| Low shelf | 105 Hz | 0.70 | +4.3 dB |
| Peak | 480 Hz | 0.86 | +3.2 dB |
| Peak | 1383 Hz | 2.89 | +2.0 dB |
| Peak | 1966 Hz | 3.12 | -1.3 dB |
| Peak | 2599 Hz | 2.00 | -2.7 dB |
| Peak | 3775 Hz | 4.63 | +2.2 dB |
| Peak | 4200 Hz | 3.47 | +5.6 dB |
| Peak | 10000 Hz | 0.83 | -6.5 dB |
| High shelf | 10000 Hz | 0.70 | -1.8 dB |
Preamp -4.9 dB · 10 bands · target: Harman · Earwave applies this exactly as listed.
Superlux HD 681 EVO FAQ
Does Earwave support the Superlux HD 681 EVO?
Yes. It is one of 812 measured models in Earwave's catalog. Pick it once and everything you play inherits the correction until you switch output.
Do I need the Superlux HD 681 EVO correction to use Earwave?
No. The 31-band EQ, presets, stereo width and room ambience work on any headphones or speakers. Calibration is a bonus for models someone has measured.
Does the Superlux HD 681 EVO profile cost extra?
No. Headphone correction is part of Earwave rather than an add-on: no account, no extra purchase, no subscription.
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