hey there all , im new to the forum and wanted to say hello, i live near flint mi. and have loved car audio since 15 yrs old . im now 34 and can finally semi-afford to have the loud system ive always wanted. im working on upgrading from 2 15" zcons to 4 15" zcons .. previously powered by 2 rockford t1500 bdcp amps. now i have a digital designs dd m4a and will be in the market for a second one soon. i have a singer 275 amp alt. and 4 optima yellow top batts.