4 Pack Black Acoustic Foam Panels,48x24x2 Inch Sound Proof,High Density Soundproof Wall Panels,Fireproof Cancelling Foam Studio (Black, 4 PCS)

【Eco-friendly and Safety】Soundproof panels for walls made of high quality environmentally polyurethane foam, acoustic panels feature an istinct pyramid 3D acoustic design, this innovative design maximizes sound absorption for a premium acoustic experience,no health risks, safe to use. 【Flame-Retardant Foam】 48*24*2 inch Acoustic Foam.Compared to 1-inch panels, 2-inch panels offer a greater advantage in sound-absorbing treatment.these soundproof wall panels are crafted from high-quality polyurethane high-density flame-retardant foam.Better sound absorption and safety. 【 More Quickly Recover】Open the package, put the sound proof foam panels in a ventilated place about 24-48 hours,and you have a perfect sound wave panels set.Another method is soaking the foam in water for one minute then wringing the foam out of the water, then dry air it or use a hairdryer. 【Easy to install】Our Acoustic Panels come with double tape sticker and installation notes,Include 72 pcs sticker , 18 pcs sticker for each foam, No Special Tools Required for Installation.When use stickers,please make sure the wall is flat and free of foreign matter , which will affect the effect of the paste. 【Widely Usage】Our sound foam panels are great for recording studios, vocal booths, control rooms, also ideal for home theaters, professional movie theaters,rehearsal rooms,video bloggers, concert halls and more.