ive had my cap lying around for like 4 months now and now ive found time to install it...i was wondering how to u wire it and how do i know it works since its not digital..my friend says i can jus wire it from my amp but idunno..btw i have a jbl 600.1 amp with 2 12 jlw6's. for speakers i got front and rear mb quartz refernece series but only powering those with a panasonic deck...i plan to purchase an amp for the speakers but what would you guys recommend?...and what tweeters should i upgrade to..im thinking focals...thanks...