i am looking into buying a mates vl calais and he has a big sound system in it already and i got these speakers in my room which are bout 1 metre high and bout 50cm wide they have a 10 inch sub in it a 5 inch speaker and a tweeter. i have two of these if i put them in the back seat of the car can i wire them up to the current rear speaker so that they are running also while the rear speakers work too if u kno wot i mean. these are some seriously big speakers i blow my ears off in my own room let alone it is a bedroom which is bout 6m by 6m already. will it over power the amp or blow anything up in the car if i do this.... thankyou 8)