iam just lookin 4 spl an a lil sq iam gettin the 15 re sx in a ported box tuned 2 28hz or 30hz an a elemental designs nine 1 1,200 watts @ 1ohm i no its 200 over the rms but i guess it will sill b go0d an i like bass in the car still havein the boomin bass outside so i roll up on ppl an they b lookin so the 28hz or 30hz will do that but vibrate the car more so iam buyin 200 bucks worth of edead 4 the trunk an doors