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Koss BT540i (wired)

Koss BT540i (wired)

See usage instructions for more options and info.

Parametric EQs

You can use filters 1-5 or 1-10. Apply preamp of -6.8 dB or -6.8 dB, respectively.

# Type Fc (Hz) Q Gain (dB)
1 LowShelf 105 0.7 20
2 Peaking 49 0.28 -19.7
3 Peaking 568 0.75 6.1
4 Peaking 3328 2.31 -11.3
5 Peaking 4930 1.17 9
6 Peaking 1923 2.08 1.5
7 Peaking 2702 4.35 -1.4
8 Peaking 7192 3.09 2
9 Peaking 10000 1.39 -1.3
10 HighShelf 10000 0.7 -3.6

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -4.4 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 4.2
2 Peaking 62 1.41 -2.9
3 Peaking 125 1.41 -3.3
4 Peaking 250 1.41 -6.3
5 Peaking 500 1.41 4.6
6 Peaking 1000 1.41 2
7 Peaking 2000 1.41 -1.2
8 Peaking 4000 1.41 -0.3
9 Peaking 8000 1.41 4.8
10 Peaking 16000 1.41 -8.2

Graphs