The Clearsonic A4-5 Panel is a 5-section Panel that provides acoustic separation between instruments on stage or in the studio and is ideal for controling drum volume in church and praise band installations. The panel system includes cable cut-outs and the ablility to fold for easy storage and portability. Panel systems thomann feature full-length hinge, cable cut-outs, and a design that allows systems to fold "accordion style" for portability and ease of setup. Sound control without impeding visibility. ClearSonic Panels are made of 1/4" thick acrylic. One panel is 6,35 mm/1/4" thick, 1220 mm/4' high and 600 mm/2' wide.