Increase the gain on your equalizer anywhere between 60Hz and 100Hz to add low-frequency thump or power to a weak or thin-sounding bass drum. Decrease the gain on your equalizer between 60Hz and 100Hz to take away low frequencies from a bass drum that has too much bass and is too heavy-sounding.
Increase the gain on your equalizer between 200Hz and 250Hz to emphasize the frequencies that make a bass drum sound boomy. Decrease the gain on your equalizer between 200Hz and 250Hz to de-emphasize the frequencies that make a bass drum sound boomy.
Decrease the gain on your equalizer between 300Hz to 600Hz to take away the frequencies of your bass drum that have a cardboard or boxy sound.
Increase the gain on your equalizer between 2.5kHz and 4kHz to add high-frequency attack to the bass drum and make it easier to hear in a mix. Decrease the gain on your equalizer between 2.5kHz and 4kHz if your bass drum has too much high-frequency content and you want it to sit further back in a mix.