black300zx

out of those, the only ones i'd consider would be either the (2) 15's, (4) 15's, or (2) 18's just to keep the final load even. the pair of 15's would more than likely get loud as you would ever want. the pair of 18's would be obscenely loud. now that i think about it, i wouldnt even consider the 4 15's unless it was for either show, or pure competition. you wouldnt even use the full potential of that setup EVER in a daily situation, especially if you put over 1kw on each one.

when installing an amp i usually unhook the negative from the battery, hook the power wire up without the fuse and run it to the back, then hook up the rca's and remote wire to hte head unit and run them to the back, then mount the amp and hook up the pos., ground, and remote in whatever order i grab them, then hook up the speaker wire, then hook the negative battery terminal up and pop the fuse back in the power wire. on my car, when im running a power wire, i run it from the interior into the engine bay, then attatch the fuse holder and ring terminal, and hook it up to the battery. id never do this on someone elses car, but im afraid my eclipse deck will go into the FFFFFFFFFF lockup again and ill be deckless for a few weeks again. when im working on my system, i just pull the main fuse.

from what i've seen, the tru's are VERY underrated. IIRC the T2.100 did ~170rms x4 @4ohms, so i'd assume the T4.100 that you have would be similarly underrated, as well as the 4.65 that you bought. personally id put the 4.65 on the tweets and the 4.5's that you have. run 2 of the vifa 7's in each door running off the front channels of the T4.100 at 2ohms per channel. for the substage, id say its a toss up. either way, i'd bridge the rear channels of the T4.100 for power. it should put out a solid amount of power brided. the 15a is probably dual 2ohm, so that would work nicely. i think that setup (amp wise) would fit a wider variety of installs, and you would have to worry about trying to fit them in somewhere, AND make them look nice. plus they'd match