Ok, my Alpine 9853 head unit has a customisable Parametric EQ. This can be done via the PC and uploaded to the head unit, however i dont have a clue what a Parametric EQ does.
this is what the customisable panel looks like, so can anyone tell me how changing the values will change the sounds?
http://i6.photobucket.com/albums/y213/fubar_uk/parametric.jpg