The onyx 2" Thick ProPanel Wall Panel 24 x 48" from Auralex is a high-quality, fabric-covered, acoustic absorptive panel that is designed to reduce unwanted room reflections, slapback, and flutter echoes. It can be used in rooms for broadcast TV productions, voiceovers, and mixing, and in recording studios to provide full-frequency control while offering a professional, aesthetically pleasing acoustic treatment.