Kick/base qusetion

[rmtek]

hello,

how do i craete Kick/base like these from : d-valve
in the track : D-valve - Music is my perfection at 00:50
or: Kingsman - Smokin N Pourin at 00:52
or: D-valve - God of Destructive Fire at 00:50

i onley mean the kick/base
thank you!

r.