hi i am running 2 cdt hd 6.5 components and 2 cdt es 6.5 components for my mids and i am not sure what amp to use to power these i was thinking of something from hifonics but could some 1 help and also i want to use 4 speakers for my highs what size whould i use and what kind? with that amp i have no experience with highs so any help would be apretiated