
Sef_Makaro
Audioholic
Depends on which direction you want to go. For a mat maybe something like this could work.What’s the go to for sitting subs on to reduce vibration on the cheap?
https://www.amazon.com/Sound-Dampening-Speaker-Riser-Foam/dp/B00SVRLPUS?th=1&psc=1
I like the thicker rubber feet installed in place of the originals.