I've just put in a system at a fairly reasonable price, my problem i haven't installed a system in over 20yrs once i got started it all came back except #1 crossovers,EQ's and a lot of the other new tech they have these days, so i put in an ALPINE CDE-BH178BT, 10IN KICKER L7 2ohm, 4 POWER SERIES T165, (punch)-1KICKER ZX500.1MONO,(sub) AND A KICKER SX5OO.2(punch).........as i mentioned earlier I'm totally lost on setting up my XO and EQ, I realize that it has factory settings but i want more.....now number #2 the amp for my mid-n-highs the SX500.2 from kicker it is a few years old but if anyone has had one can you please tell me how to select a different memory potion this amp is crazy to much going on their, and last but not least #3 for some reason i bought another sub and amp last night a 12in KICKER L7 and my question to you guys is about the amp its a PERFORMANCE TECHNIQUE ICBM 2000WATT MONO IGOT THE AMP,SUB, AND BOX FOR $150 IVE NEVER HEARED OF THEM THANK YOU FOR ANY HELP YOU MAY GIVE ME AND QUESTIONS YOU MAY ANSWER