HSS-91-UH is a professional 4K scaling presentation switcher with 5xHDMI, 1xDisplayPort, 1xHDBaseT, 2xVGA inputs and 2 mirror HDMI and HDBaseT outputs. It accepts a wide variety of video formats including HDMI, HDTV, DisplayPort, RGB, and standard definition video. It features most advanced 4K UHD video scalability for all video inputs up to 4K@60 4:4:4. Enhanced audio features Mic/Line inputs and mixing, with 40w 70V/100V constant-voltage amplifier. With HDBaseT integrated on output, the HSS-91-UH is able to transmit 4K video up to 328ft/100m.