The AV Stumpfl Monoblox surface RP 4:3 is a rear-projection surface supplied without the Monoblox frame or stand. It has an R10 SID surface specification, a 4:3 aspect ratio, and a net projection area of 732 × 549 cm (288 × 216 in). The overall screen size is 752 × 569 cm (296 × 224 in). The supplied projection surface has a net weight of 17.5 kg and is identified by article number BXF-RV752569A1SID.