4 Pack Acoustic Panels, 48 X 24 X 2" Sound Proof Foam High Density, Black-4 Pack ?Acoustic Panels?Acoustic panels can efficiently reduce unwanted noise and echo, including reverb, flutter echoes, undesirable acoustic reflections, etc, making them ideal for treating specific areas on walls in studios or offices. The foam used in these studio foam wedges has a uniform density and firmness, ensuring consistent sound absorption. ?Fire Resistant?The acoustic foam is fire retardant, which can prevent the spread of fire and reduce its intensity. It is composed of safe and fire-retardant polyester material that can decrease the risk of sudden danger and ensure safety. This material not only effectively reduces noise but also protects us from fire hazards. ?Versatile Use?These acoustic foam panels are great for targeting specific areas on walls to improve sound quality in a variety of settings such as recording studios, control rooms, home offices, home entertainment theaters, home studios, podcasting, pet kennels and more. More sound foam panels and the effect are better. ?Fast Recovery?Our soundproof foam panels utilize high-elasticity materials to ensure quality. These sound panels will regain their original shape within 5 seconds of opening the package, eliminating the need to wait for 2-3 days and saving you time. What?s more, the studio wedge tiles are also easy to cut to size, altering won?t affect acoustic foam's performance. ?Warm Attention?To ensure the quality, each of our acoustic foams undergoes strict quality control before shipping. Your order may be divided into multiple shipments to facilitate shipping, and to comply with shipping regulations, we have compressed (vacuum-sealed) the acoustic foam Panels. Please allow 24 to 48 hours for the foam to return to its original size.