Headphone correction · over-ear
Superlux HD 681B EQ settings for Mac
Superlux HD 681B is an over-ear headphone. This measured profile applies 10 parametric bands with a -6.5 dB preamp to bring it toward the Harman target. Low end: it adds back what the measurement shows is missing; treble: it reins in what the measurement shows is too much. Biggest single move: -8.2 dB at 5696 Hz (Peak).
The measured correction
| Filter | Frequency | Q | Gain |
|---|---|---|---|
| Peak | 37 Hz | 4.80 | +0.9 dB |
| Peak | 76 Hz | 1.01 | -5.6 dB |
| Low shelf | 105 Hz | 0.70 | +6.9 dB |
| Peak | 520 Hz | 1.05 | +4.0 dB |
| Peak | 2488 Hz | 3.14 | -3.5 dB |
| Peak | 4196 Hz | 4.45 | +2.1 dB |
| Peak | 5696 Hz | 3.73 | -8.2 dB |
| Peak | 6279 Hz | 6.00 | +1.6 dB |
| Peak | 7234 Hz | 5.56 | -1.2 dB |
| High shelf | 10000 Hz | 0.70 | -6.9 dB |
Preamp -6.5 dB · 10 bands · target: Harman · Earwave applies this exactly as listed.
Superlux HD 681B FAQ
Does Earwave support the Superlux HD 681B?
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 681B 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 681B 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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