Bose QuietComfort 20 (passive)

See usage instructions for more options and info.

You can use filters 1-5 or 1-10. Apply preamp of -6.0 dB or -6.8 dB, respectively.

#	Type	Fc (Hz)	Q	Gain (dB)
1	LowShelf	105	0.7	7.7
2	Peaking	179	0.21	-7.6
3	Peaking	544	1.06	5
4	Peaking	1387	2.2	-7.3
5	Peaking	3525	0.18	4.8
6	Peaking	80	2.37	-2.7
7	Peaking	182	2.83	2.5
8	Peaking	2808	2.5	3.4
9	Peaking	4086	5.88	-7.5
10	HighShelf	10000	0.7	4.5

When using fixed band (also called graphic) equalizer, apply preamp of -12.2 dB (if available) and set gains manually with these parameters.

#	Type	Fc (Hz)	Q	Gain (dB)
1	Peaking	31	1.41	7.5
2	Peaking	62	1.41	-1.4
3	Peaking	125	1.41	-4
4	Peaking	250	1.41	-4.9
5	Peaking	500	1.41	2.1
6	Peaking	1000	1.41	-2.7
7	Peaking	2000	1.41	1.5
8	Peaking	4000	1.41	2.9
9	Peaking	8000	1.41	3.9
10	Peaking	16000	1.41	12

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