last week i went to the KF audio,im planning to add 4inches component set for my front first..n the boss reccomended me to buy this orion component set(tweeter,4inches midbass,crossover) n he told me i can use it without using a amp..this set cost me rm1k including tuning n installation..from the design dat i can remember is the midbass got the carbon surface..i forgot to ask the boss bout that orion's series..wat do you guys think?is it worth with my money if i spending it?n any one here can give me another option?