just bought a 1977 ford f150 as my first truck and i was wondering if anyone could help me decide on an audio system, my budget is about 1000 dollars. i don't know that much about systems. i was thinking about getting "Kicker S12L5 12" L5 1200 Watt Car Sub Dual 4 Ohm" and "Kicker ZX750.1 R Class...