Sound Panels Available. Covered in Suede. Filled with Sound Attenuating Thermafiber. $30 each. I currently have 4 red and 2 black. Size is 3 feet by 1.5 feet. Call Michael at key words: sound, panels, acoustic, acoustical, absorption, treatment, isolation, baffles, bass, traps, reflection, control, recording, studio, roxul, auralex, SAFB, vocal, booth, voice, over, podcast.