First off don't get infinity they're not very good. Look into CDT, Adire Audio, RE Audio, Focal, Diamond, and some other for comps. For a component amp ..... get the comps first then decide the best power for them and get a decent amp. You will need a sub too. Rap and techno both have some pretty deep bass notes and you'll miss out on a lot of the music too. Since you already hace a HU why don't you give a budget for comp amp sub amp comps and sub and well give you some suggestions.
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1997 Ford Mustang 3.8v-6 5-speed
150 amp alternator
optima yellow top
Panasonic cq-c8100u (not in yet)
2 SI Magunum D2 12's
4.5 cuft NET ported box tuned to 28hz w/ 70 sqin of port area
Avionixx 1200.2
Will soon buy CDt HD62's, DLS UR6, adire koda set, or sumthin along those lines and an amp to power it (prolly an avionixx 400.2)
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new sig pic soming soon!!!