Originally Posted by 1loudmonte
I don't think there is much difference between them. I know the m3a was silver and the m3b is black. power difference was like 200 watts at 12 volts. I could be wrong though.
m3a is back case too, like the newer DD amps. Always wondered why they wod make amps only 200-400 watts difference
Seems odd lol i mean at least the gap from the m4 to the m4a is an actual large power jump
2013 Toyota Highlander
Build to come.....