Reference:
VS164-AT-G
VS164 Video Splitter provides DVI video and audio input signals to 4 DVI video and audio outputs after duplication and boosting. They are ideal for any type of broadcasting environment, classrooms, or by power computer users. Fully compliant with DVI-Digital and DVI-Analog. Maintains highest single link video resolution (up to 1920 x 1200). Speaker enabled for audio enjoyment.