I’ve heard some surprising little 5” subs with a quick and tight boom to them. However, the whole polystyrene enclosure just makes me think about putting a proper 10” slim sub in a proper box and seeing how that hits. I do wonder if we’d get away with the upgrade?
I'm Autistic, if I say something you find offensive, please let me know, I can guarantee it was unintentional.
I'll try to give my honest opinion but am always open to learning.
Mark