# 【KZ-AZ09】 Bluetooth 5.4 Ear Hook – Convert Wired IEMs to Wireless with AAC & Dual Host, Bluetooth 5.4 Module, TWS Waterproof Earhook, Long Battery Life - B-pin - 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: -11.5 dB
Filter 1: ON LSC Fc 105 Hz Gain 11.2 dB Q 0.70
Filter 2: ON PK Fc 40 Hz Gain 2.3 dB Q 2.00
Filter 3: ON PK Fc 90 Hz Gain 1.8 dB Q 1.40
Filter 4: ON PK Fc 180 Hz Gain 2.6 dB Q 1.40
Filter 5: ON PK Fc 375 Hz Gain 0.8 dB Q 1.40
Filter 6: ON PK Fc 750 Hz Gain -0.8 dB Q 1.40
Filter 7: ON PK Fc 1500 Hz Gain 1.6 dB Q 1.40
Filter 8: ON PK Fc 3000 Hz Gain 8.2 dB Q 1.40
Filter 9: ON PK Fc 6000 Hz Gain 6.9 dB Q 1.40
Filter 10: ON PK Fc 10000 Hz Gain -1.2 dB Q 2.00