The AV Stumpfl Monoblox surface RP is a rear-projection surface for the Monoblox system. It has a 4:3 aspect ratio and an R10 surface gain code. The overall screen size is 325 x 249 cm, with a net projection area of 305 x 229 cm, equivalent to 120 x 90 inches. This product is supplied as the projection surface only; the corresponding frame and stand are separate articles. The net weight is 3.85 kg.