The AV Stumpfl Monoblox is a front-projection surface from the monoblox series with a 16:9 aspect ratio. It provides a net projection area of 305 × 172 cm, equivalent to 120 × 68 in, and an overall screen size of 325 × 192 cm. The screen diagonal is 138 in and the surface gain code is R10. The projection surface is supplied separately; the corresponding frame and stand are separate articles.