What room treatment product have transformed your room or audio system?


I've been researching and looking more into room treatment products. Wondering what product really worked for you?
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OP:

While I did answer your question truthfully, it is also true that my room, with just the Soffit Traps would still not sound good.

You need a critical mass of room treatment to reap the rewards, so I agree with the statements above that it's a combination of traps, diffusors and absorbers, strategically placed, that are totally worth investing in.

I would not approach this as an experiment of individual tweaks.

Best,

Erik
Stillpoints Aperature Panels series 2 8 were transformative in my room.I have tried Tube Traps,Echo busters etc these are by far the best.Not cheap but worth every penny.