whats is the better car audio company? massive, concept,spl, HELP?

[NickPierce]

im going to get some subwoofers to go with my rockford 1000w rms amp. I have a discount magizine, were i can get subs for cheaper. but there all not big brand name companys like massive audio, lanzar, plye, spl, ppi power, american bass. i just dont know what brand of subwoofer to trust. thanks for any help