I have everything MTX subs and subwoofers two Thunder 202 two 12" thunder 4000's. Hookina all of this up will I need a crossover or eq for better quality because I have a JVC KDG710 and it is garbage I will be Upgrading to a Pioneer Premeir soon. I will also be installing a flip switch for the remote wire any idea were to get a good one from online. Should i get the fused Distribution blocks or not?