# pTron Bassbuds Joy In-Ear TWS Earbuds with Stereo Sound, 34Hrs Playtime, Stereo Calls, Bluetooth V5.3 Headphone with Quick Pairing, Touch Control, Voice Assist, Type C Charging & IPX4 (Brown) - 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: -7.8 dB
Filter 1: ON LSC Fc 105 Hz Gain 3.1 dB Q 0.70
Filter 2: ON PK Fc 40 Hz Gain 0.9 dB Q 2.00
Filter 3: ON PK Fc 90 Hz Gain -1.4 dB Q 1.40
Filter 4: ON PK Fc 180 Hz Gain -2.1 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 -0.9 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 7.5 dB Q 1.40
Filter 9: ON PK Fc 6000 Hz Gain 6.0 dB Q 1.40
Filter 10: ON PK Fc 10000 Hz Gain -1.7 dB Q 2.00