Wanted to know if Audiobahn is a decent brand? I found a 10" for 100 bucks 600w rms 4ohms thinkin bout gettin 2 if their worth it? I was thinking about gettin Kicker 18" 1000w rms/2000w peak 4ohms but was thinkin I would have to get a huge box to make it sound good.I also would like to know what...