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Koss BT540i (wireless)

See usage instructions for more options and info.

Parametric EQs

You can use filters 1-5 or 1-10. Apply preamp of -4.4 dB or -5.7 dB, respectively.

# Type Fc (Hz) Q Gain (dB)
1 LowShelf 105 0.7 -2.5
2 Peaking 237 0.31 -7.2
3 Peaking 518 0.84 8.6
4 Peaking 3204 1.85 -14.3
5 Peaking 3823 0.6 9
6 Peaking 44 1.98 -0.5
7 Peaking 4725 6 1.9
8 Peaking 5503 5.98 -2.5
9 Peaking 6829 5.13 2.4
10 HighShelf 10000 0.7 -3.1

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -4.5 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 -3.5
2 Peaking 62 1.41 -4.7
3 Peaking 125 1.41 -4.3
4 Peaking 250 1.41 -5
5 Peaking 500 1.41 4.5
6 Peaking 1000 1.41 1.5
7 Peaking 2000 1.41 0
8 Peaking 4000 1.41 -0.6
9 Peaking 8000 1.41 4.8
10 Peaking 16000 1.41 -6

Graphs