Black Box DVI and Audio Matrix Switch 4x2 - video/audio switch

Output high-def video and audio from separate sources to two displays. Switches both the video and audio directly. Turn the video and audio on or off at each individual port. Each output provides one video signal and one audio signal. Features Auto Scan and selectable scan time interval. 1U height saves rack space. Rackmount kit is available. System settings are automatically retained. Recover your previous settings after power blackouts.