All I can say is you must try this!
10 band EQ, with selectable ranges of +/- 3,6 or 12 dB.
There are sliders for 31, 62, 125, 250, 500, 1k, 2k, 4k, 8k, & 16k (hertz) frequencies, plus one for gain.
The EQ operates extremely smoothly, with only a few milliseconds before the setting is applied to...