i run my Rockford t500.2 off of my accord with 4 guage wiring. I have had it for about 6 months powering a RE 15in XXX. No problems with power for me. so your p500.2 is going to put out 2000 peak? I find that hard to believe. RFs are severely underrated in the power series but i don't know about the punch series. t500.2 birthsheet says 1024rms ...