Acoustic panels can efficiently reduce unwanted noise and , including reverb, flutter echoes, undesirable acoustic reflections, etc, making them 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. 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. soundproof foam panels utilize high-elasticity materials to quality. These sound panels regain their 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 't affect acoustic foam's performance. To the quality, each of acoustic foams have compressed (vacuum-sealed) the acoustic foam Panels. Please allow 24 to 48 hours for the foam to return to its size. Colour: black Material: Polyurethane Size: about 120 x 60 x 5cm Package Contents: 4 x Acoustic foam Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.