they are not spl subs and when they first came out they were not cheap. secondly i am saying yes i think he could burp them with the amps he is using and i say that because he wont be seeing full power out of the amp. and stop hating on a company who has been out forever and done a lot for car audio. just because it is not your cup of tea doesnt mean that thjey ****. i see why i quit coming here. bunch of young minded kids who have tons of power but dont know anything at all. ill bet $100 you lose. give me his number or email so i can talk to him. and i want my money when he wins.