memphis vs autotek vs hifonics

[profundus-sanus 10+ year member]

i don't know how someone could say that mm4000 puts out dirty power..

mine sounds clean as hell. But they're not known for their efficiency.

 

[Nismofreak 10+ year member]

i don't know how someone could say that mm4000 puts out dirty power..
mine sounds clean as hell. But they're not known for their efficiency.

I got the xxv colossus. same sounds clean but love alot of power lol