Blow are some och the steps in frequencies between 20 and 160 Hz. Maybe I´m over reacting. You can download the software and run it i demo mode.
https://www.thomann.de/gb/the_t.racks_dsp_4x4_mini.htm
161,2
157,5
153,9
150,4
146,9
101,5
99,2
96,9
94,7
92,6
61,1
59,7
58,3
57
55,7
54,4
40,3...