I have a Alpine CDA-9857 HU, Alpine H701 processor, Eclipse XA-4000 / 1000 amps, CDT gold series front components w/JL twets, memphis mclass rear components and three elemental designs 9KV@ 8" subs. Does anyone have a tutorial on what low end reprsents, mid range and tweeter levels on an EQ represent? IE: 30 HRZ / 120 hrz /2.5 Khrz?