Originally Posted By: fredk
I'm curious to know the details of which panels you ordered and exactly how you placed them. By the sound of it they would be 2 2'x4'x2" pannels, which would only start to become really effective above 200Hz, so its interesting that you notice a difference in the bass.


The panels are 4 inches thick and absorb down to 100 Hz. They are in the upper rear corners of a room with 10 foot ceilings.