Video by Auralex Acoustics via YouTube
Source
Watch as CEO Dave Pedigo explains the differences between high-quality Auralex Studiofoam vs. cheap knockoff foam, found on Amazon. They promise high-density, fireproof, and amazing performance… The results will shock you!
Auralex Product: https://auralex.com/studiofoam-wedgies/
Amazon Product: https://www.amazon.com/Focusound-Acoustic-Soundproof-Absorbing-Adhesive/dp/B08BYPHNG4/ref=sr_1_6?crid=43F8KNSP4MMA&dchild=1&keywords=focusound+24+pack+acoustic+foam+panels&qid=1627571763&sprefix=focussound+24+pack%2Caps%2C178&sr=8-6