indypwr

it's been a while and i saw a thread regarding the volume control being used a
a "bass" control of an external amplifier. can someone clarify this that it can be done?
if so, does anyone know how? i've got a lanzar 2-chnl amp for my subs and it has the
"bass" control ****. i wud like for that know to be mounted somewhere in the dash but cudnt figure
out how. i wud like to use our volume control **** but i searched and cudnt come up with anything.

any feedback wb appreciated...........