... panel 1.E2/eco-friendly/fireproof mdf as basic material 2.soundproof interior decorative wood grooved acoustical wall panel Wooden acoustic ... grooved panel and perforated panel.FeatureModel No.: 13-3, 14-2, 28-4 etc. 8-8/ 16-16/ 32-32Surface: melamine ... and decoration: Studio, recording room, listening room, rehearsal hall etc.2.Recreational place for sound effect and decoration:Theater,cinema,indoor ...