AV Stumpfl Monoblox projection surface for rear projection with a 4:3 aspect ratio and R10 S surface specification. The overall screen size is 508 × 386 cm, while the usable projection area measures 488 × 366 cm. This product is supplied as the projection surface only; the corresponding frame and stand are separate articles. The surface belongs to the Monoblox series and has a net weight of 8.45 kg.