Auralex Acoustics

Auralex Acoustics - 2" StudioFoam Pyramid 2' x 2' x 2" Acoustic Panels (12 pack) Charcoal

Absorbs mid/high frequency reflections to control the ambience of most roomsAlleviates flutter echo and slap back12 panels per box (covers 48 sq. ft.)Won't crumble with age like other brandsAbsorbs up to 60% better than other brands with an NRC of .70