db, mijostyn's terrific description may be adjusted out after another Auto EQ. Then by manually adjusting the Low Pass Xover Slope and Contour Frequency.
Velodyne's later Plus Optimization has a simple visual and audible drag and drop Q adjustment for individual bandwidth parametric filter frequency and level.
When used in conjunction with its discrete multi-band gain settings allow for a much higher crossover beginning with tone that closely matches the mains presentation from the crossover region on.
This replaces the hard crossover point used by most other equalization programs or basic settings.
You might give a thought to setting some of your presets with differing crossover and slope settings to help narrow down an optimum while your at the listening position.
Once I tailored my crossover region it's saved to all the presets while the equalization after the region varies. #6 is a polarity reversal.