Monoblox rear-projection surface from AV Stumpfl’s monoblox series, designed for a 4:3 aspect ratio. The surface has an overall size of 203 × 157 cm and a net projection area of 183 × 137 cm. It uses the R10 surface gain specification and is supplied as the projection surface only; the frame and stand are separate articles. The product has a net weight of 1.85 kg and is identified by article number BXF-RV203157A1D.