Earfun Free Pro 2 - reference unit "mainstream" tuning - 2022/1/3 5800: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4250 Hz Gain 3 dB Q 1.5 5800 Hz Gain -15.5 dB Q 2.4 9345 Hz Gain -18 dB Q 3 12250 Hz Gain -14 dB Q 4.5 13500 Hz Gain -20 dB Q 3 16000 Hz Gain 13 dB Q 0.7 11350 Hz Gain 8 dB Q 0.75 6000: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4250 Hz Gain 3 dB Q 1.5 6000 Hz Gain -16 dB Q 2.4 9345 Hz Gain -18 dB Q 3 12775 Hz Gain -17 dB Q 3 13250 Hz Gain -9 dB Q 3 16000 Hz Gain 5 dB Q 0.7 11350 Hz Gain 12 dB Q 0.75 6250: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4250 Hz Gain 3.2 dB Q 1.5 6200 Hz Gain -14.5 dB Q 2 9345 Hz Gain -15.5 dB Q 3 13250 Hz Gain -30 dB Q 2.4 14500 Hz Gain -3 dB Q 3 16000 Hz Gain 8 dB Q 0.7 11350 Hz Gain 13.5 dB Q 0.75 6500: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4250 Hz Gain 4 dB Q 1.5 6500 Hz Gain -17 dB Q 2.5 9500 Hz Gain -17 dB Q 2.9 13700 Hz Gain -29 dB Q 2.4 14000 Hz Gain -12 dB Q 2.5 16000 Hz Gain 15 dB Q 0.7 11350 Hz Gain 12 dB Q 0.75 6750: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4000 Hz Gain 4.5 dB Q 1 6750 Hz Gain -16.5 dB Q 2.8 9550 Hz Gain -16.5 dB Q 2.7 13800 Hz Gain -32 dB Q 1.5 14000 Hz Gain -9 dB Q 4 16500 Hz Gain 16.5 dB Q 0.7 11350 Hz Gain 15.5 dB Q 0.75 7000: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4000 Hz Gain 4.5 dB Q 1 7000 Hz Gain -15.5 dB Q 2.5 9550 Hz Gain -16 dB Q 2.7 13800 Hz Gain -32 dB Q 1.5 14000 Hz Gain -9 dB Q 4 16500 Hz Gain 15.5 dB Q 0.7 11350 Hz Gain 15.5 dB Q 0.75 7300: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4000 Hz Gain 4.5 dB Q 1 7300 Hz Gain -15 dB Q 2.8 9600 Hz Gain -15.5 dB Q 2.7 13650 Hz Gain -30 dB Q 1.2 14000 Hz Gain -9.5 dB Q 4 16500 Hz Gain 15.5 dB Q 0.7 11350 Hz Gain 16 dB Q 0.75 7650: 80 Hz Gain -11 dB Q 0.2 300 Hz Gain -6.5 dB Q 0.4 1100 Hz Gain -4 dB Q 0.5 4000 Hz Gain 4.5 dB Q 1 7650 Hz Gain -15.5 dB Q 2.8 9800 Hz Gain -15.5 dB Q 2.7 13500 Hz Gain -30 dB Q 1.2 14000 Hz Gain -9.5 dB Q 4 16500 Hz Gain 15.5 dB Q 0.7 11350 Hz Gain 16 dB Q 0.75