# Open Box Hidizs MD4 4 Balanced Armature Drivers HiFi IEMs (Ships Only to Japan) - Open Box Hidizs MD4 White (Ships Only to Japan) - AutoEq-style parametric preset (estimated: family tuning (not a measurement))
# AutoEq-style parametric preset - TheTuningChoice (approximate Harman in-ear (IE 2019) target; estimate, treat as a starting point)
Preamp: -8.9 dB
Filter 1: ON LSC Fc 105 Hz Gain 8.6 dB Q 0.70
Filter 2: ON PK Fc 40 Hz Gain 1.9 dB Q 2.00
Filter 3: ON PK Fc 90 Hz Gain 0.7 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 -0.5 dB Q 1.40
Filter 6: ON PK Fc 750 Hz Gain -1.0 dB Q 1.40
Filter 7: ON PK Fc 1500 Hz Gain 1.9 dB Q 1.40
Filter 8: ON PK Fc 3000 Hz Gain 7.0 dB Q 1.40
Filter 9: ON PK Fc 6000 Hz Gain 4.3 dB Q 1.40
Filter 10: ON PK Fc 10000 Hz Gain -5.0 dB Q 2.00