DECK- ALPINE CDA-105 MIDS- 4 ALPINE SPS600 SUB- JL AUDIO 12W6 IN HO BOX PRE AMP EQ CROSSOVER- ALPINE-3653 ACTIVE DIVIDING NETWORK CAP- 1 FARAD RF POWER DIGITAL CAP AMP- RF POWER 1000BD MONO AMP- RF PUNCH 600A4 TSUNAMI POWER BLOCK OPTIMA YELLOW TOP BATT i got system hooked up without pre amp eq and crossover, sounds good but i think it would sound way better if i hook them up. any suggestion? thanx