Is this Amp not enough?
 

Mb quart formula 400... Bridged.
Running pioneer 10 "1200" watt slim 4ohm.
It sounds like ass at high level. Decent at very low. And to damn quiet in the middle.
just does not seem right. Like it's not getting enough to the sub maybe.
I don't expect much from this small sub...
But I expected more lol.