Re: I am a newb, HELP!
He really didn't steer you wrong. That's not a horrible starter system to bang with and learn from. Switch out the wire kit for an ofc 4ga kit from Audio Technix or knukonceptz. Both are on ebay.
You have a link to the box? Prefabs aren't ideal, but SOME will do ok for a beginner that isn't interested in building one from plans.
Source: Pioneer DEH-80PRS
Front stage: PHD FB6.1 Pro & Vifa XT25BG60-04 on a Kenwood XR-4S
Sub stage: 2 Tantric HD12's on an Autotek MM 4000.1d
Electrical: 310 amp (lol...) Singer Alternator, 2 Wėrker 125ah batteries in back, +/- runs in Monster Cable 1/0