It's not me taking over the thread just want everyone to know that, lol everything in my car is opti yet i know nothing of my products lol get outta here, I'm this I'm that yotta yotta, these amps put out alot at half ohm didn't make rated on certified test, but over on dynamic that shows me it would be great for subs but not competition., someone did the research for me so i didn't have to. I use creditable researchers to give my opinions. Alota people don't even wanna go online and do the research so i do it for them.