i have two sets of crescendo components on there way that i am going to glass in my a pillars. i want to get the most out of them that i can. what do you guys think about this amp? im walled with 4 15s so i need to be able to keep up with it a little better then my current comps but i want to sound pretty good when i turn down my subs. opinions? or other amp suggestions for around the same price?