Quote Originally Posted by Holdmybeer View Post
Hate to burst your bubble because the specs for the amp is awesome for a subwoofer setup.

Crossover only allows for 250Hz which is mid-bass and lower. You need to be able to get to 20KHz for full range. This is why they are "muddy" sounding.
Yep bingo
Screenshot 2021-06-01 083135.jpg

You need a full range amp and that isn't one unfortunately.
Hopefully you got it from somewhere that will take a return!