# Sennheiser HD 820 - Wired Audiophile Headphones - AutoEq-style parametric preset (measured: AutoEq · HypetheSonics)
# AutoEq-style parametric preset - TheTuningChoice (approximate Harman over-ear (OE 2018) target; estimate, treat as a starting point)
Preamp: -6.3 dB
Filter 1: ON LSC Fc 105 Hz Gain 6.0 dB Q 0.70
Filter 2: ON PK Fc 40 Hz Gain 0.4 dB Q 2.00
Filter 3: ON PK Fc 90 Hz Gain -1.6 dB Q 1.40
Filter 4: ON PK Fc 180 Hz Gain -0.7 dB Q 1.40
Filter 5: ON PK Fc 375 Hz Gain 5.8 dB Q 1.40
Filter 6: ON PK Fc 750 Hz Gain -1.7 dB Q 1.40
Filter 7: ON PK Fc 1500 Hz Gain 3.2 dB Q 1.40
Filter 8: ON PK Fc 3000 Hz Gain 1.2 dB Q 1.40
Filter 9: ON PK Fc 6000 Hz Gain 0.6 dB Q 1.40
Filter 10: ON PK Fc 10000 Hz Gain -2.3 dB Q 2.00