For a more percussive sound, I like to scoop around 1kHz (a bit lower will do the trick as well, from 500Hz), and then boost a bit (3db ~ 6dB) 100Hz and around 8dB at 2,8kHz ~ 3kHz.
Cutting 1k will give a nice percussive feel, specially when attacking the strings hard (pick and slap) while cutting a bit lower (500Hz ~ 750Hz) usually provides a rounder, warmer feel, in my opinion, better suited for percussive, but softer fingering (fast heavy metal metal for example).
Best Regards!
Doug.