so im putting together my system for my 2004 ext cab silverado. i got to 10" alpine type r under the rear seat. They are both the dual 4 ohmn resistors. I am trying to figure out the best amp or amps to go with. I have gone to some stereo shops some say to run two with a max rms of 600w and some have to told me to run a 2 channle 1600w rms. Any input or siggestions would be great.

Thanks