Multifunctional stand adapter for mounting on stands with ø 35 mm extension tubes. The adapter can be adjusted to an inclination of +60° to -30°. The fixation follows by means of an adjustable clamping lever. The adapter plates 19615, 19616 and 19617 can be used to mount a wide variety of screens up to a mounting hole pattern of VESA 200 x 200 mm. The adapter plates 24352 to 24359 are suitable for accommodating a large number of loudspeaker cabinets.