Im looking at getting a DD 1508 to put in my truck and i was wondering what type of bass these little guys put out. Im used to the sound of 2 12"s but the last setup i had only had like 250 RMS. Im gonna be running about 600 rms to the DD ported. I just dont know if its gonna have a good amount of low end with the tuning of 40 HZ which DD recomends. If anyone can give me some insight on these subs that would be great.