A three way speakers will do the magic,let's say 'bout 200/250 output watts.
The head unit is definetly a important key in good audio system so make sure you get the right stuff in there,the rear OEM speakers can be removed & place in there a 6.5" along with the front ones with one or two subs piking up to 500 watts is enough to have a rocking dancing VX![]()