Ok so i want to get this CD deck
http://www.onlinecarstereo.com/CarAudio/...
and 2 of these 10' subs should i get them with 4 ohm or 2 ohm
http://www.onlinecarstereo.com/CarAudio/...
and im not sure about what amp I need so could you help me out this is going in a 2003 ford f-150 ext-cab my...