VP-550X is a versatile, professional presentation scaler/switcher for 4K@60 (4:4:4) HDMI, USB-C, VGA, and composite video signals. The unit scales the video and provides options to use the embedded digital audio or to select analog audio input signals. After processing and scaling, the embedded AV signal is sent to the 2 mirrored HDMI outputs simultaneously, and the audio is also sent to a balanced stereo audio output.