Front or Back wall diffusers

Oops! Most of the people on this forum have the means to consult a professional acoustician and I am surprised most don’t. Jeff at HDacoustics is very good and will analyze your room and tell you what is needed and where to put it. He has vendors he works with as far as panels go but he doesn’t push you to purchase. You can use his design and go from there if you want. Good luck! 

GIK and companies like that need to sell product. Yes they analyze your room but they are going to try to sell you as much as they can too. Most of the people on