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Koss Pro4AA 2014

Koss Pro4AA 2014

See usage instructions for more options and info.

Parametric EQs

You can use filters 1-5 or 1-10. Apply preamp of -6.5 dB or -6.5 dB, respectively.

# Type Fc (Hz) Q Gain (dB)
1 LowShelf 105 0.7 5.9
2 Peaking 154 1.14 5.6
3 Peaking 458 1.34 -5.8
4 Peaking 2335 2.26 -10.7
5 Peaking 6758 1.72 6.4
6 Peaking 1148 2.54 1.3
7 Peaking 1729 3.54 -1.1
8 Peaking 3726 4.91 1.6
9 Peaking 4720 5.91 -1.5
10 HighShelf 10000 0.7 0.1

Fixed Band EQs

When using fixed band (also called graphic) equalizer, apply preamp of -7.5 dB (if available) and set gains manually with these parameters.

# Type Fc (Hz) Q Gain (dB)
1 Peaking 31 1.41 6.4
2 Peaking 62 1.41 3.8
3 Peaking 125 1.41 6.5
4 Peaking 250 1.41 0.7
5 Peaking 500 1.41 -6.4
6 Peaking 1000 1.41 3.4
7 Peaking 2000 1.41 -9.5
8 Peaking 4000 1.41 1
9 Peaking 8000 1.41 5.4
10 Peaking 16000 1.41 -0.8

Graphs