AV Stumpfl Monoblox rear-projection surface for 16:9 presentations. The surface has an overall size of 386 × 226 cm and a net projection area of 366 × 206 cm, equivalent to approximately 144 × 81 inches. It uses the R10 surface gain specification and is supplied as the projection surface only; the frame and stand are separate articles. The surface has a net weight of 4.1 kg and carries article number BXF-RC386226A1D.