i just purchased 2 8" kicker l7 there 4ohms. i was wondering what kind of amp i should get for them. right now i have a visonik v2118 it pushes 1 x 400 rms @ 4 ohms. 1 x 560 rms @ 2 ohms and 1 x 800 @ 1 ohm. i had it connected to my rockford punch he's. should i just get a new amp?? but any suggestions and should i use 4gauge wire or??