The AV Stumpfl Monoblox surface RP 4:3 is a rear-projection surface supplied without a frame or stand. It has an overall size of 264 × 203 cm and a projection area of 244 × 183 cm, corresponding to 96 × 72 inches. The surface uses a 4:3 aspect ratio and is identified by surface gain code R10. The net weight is 2.75 kg. The corresponding frame and stand are separate articles.