It adopts 8 inputs and 2 outputs (outputs 2 HDMI signals that support ARC function), standard 1U rack-mounted design, supports 8 channels of 4K 30Hz signal seamless switching (no black screen during switching, super fast), supports 2.1 channel, 5.1 audio channel, 7.1-channel digital optical fiber coaxial audio independent output, and 1 channel 3.5mm analog audio output. The audio source can be switched through the remote control. The video shows you in detail the process of connecting the device, function usage demonstration, etc. through real shots.