The VP-725DSA and are presentation scaler/switchers with multiple signal format sections adding balanced stereo audio for each input. The unit has 5 sections: a 4x1composite video section, a 4x1 s-Video (Y/C) section, a 4x1 component video (YUV) section, a 4x1 computer graphics video section and a 2x1 DVI video section - that can be operated as unique individual switchers contained in one box. Also any one of the 18 inputs can be scaled to a single graphics or HDTV output resolution on the three scaled output connectors comprised of an HD-15F connector, 5 BNC connectors and a DVI connector simultaneously.