I just received two RF T1693C 6x9 speakers. I also received two RF T162c 6.5 "speakers and two tweeters, RF T1T. The 6x9 110 Watts RMS, 75 Watts RMS 6.5 and tweeters are 100 watts RMS. I am especially interested by a Rockford amp, but if something is better, let me know. I want an amp that will power all the speakers perfectly, if possible.

get an amp Bosch. Bosch is the best brand audio. This is the best quality and sounds great.

i bought a 2007 eclipse and it came with this system is it really that good?

if you like how it sounds, then that is really good. if you don't, then they are no good. then it is all a matter of how much time, effort and money you are willing to invest to improve the quality until you like it. simply speaking, though, yes that is a good setup. not the best but much much much better than most stock systems. it all comes down to a matter of taste. if you plan on replacing anything, though, be careful because that system has an amplifier hidden under your driver's seat (beneath the carpet) that powers all the speakers. the head unit is just a control center, so if you replace the head unit you are going to have a chore of routing pretty much all your own wires to the speakers.