Koss BT540i (wireless)

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