i know that i am going to go with an alpine CD deck not a cheap one though and i well get what ever 6-1/2's i can aford but i am going for SQ and SPL mostly SQ and the subs i want well be jl W7's but when i think of SQ its not just tweeters and subs you have to have some mid range and if i have some realy loud subs am i going to hear any mid im talking i want perfect SQ please help