Window Plug / Bass Absorption Combo
We recently bought new furniture which required us to move my living room / theater around. With the new setup, there is a large window directly behind the LP. I need to build a plug to block as much sound as possible, but also need bass absorption due to my couch being close to the wall.
For the window plug, I was planning to use three layers of 1/2 drywall with green glue between each. For bass absorption, I thought about adding 6" of pink fluffy insulation.
Do you think my plan will work?