SOUNDFLEX Bass Traps Diffuser Acoustic Foam 12"x12"x24" (Set of 8, Purple) - Product Features 
			-  HIGH-QUALITY BASS TRAPS - By deadening unwanted sounds using soundflex absorption bass traps, you can make other sounds much clearer. Soundflex flame-retardant bass trap corner acoustic treatment sound panels also lead to improve intelligibility of speech in rooms, high quality sound-absorbing sponge.
-  HIGH-END SPECS - Soundflex foam panels absorb low range frequencies and diminish echoes and reverb up to 3/4 db. Density 40kg / m