The 1T-SX-654 is an ultra-thin auto switcher with four HDMI video inputs and one HDMI output with resolution support up to 4Kx2K@60Hz 4:4:4 HDR. Control options include auto-switch mode, which automatically switches to an HDMI input as soon as a new source is connected, or control via the front panel source button, RS-232 or IR (remote control included).

Audio functionality includes multi-channel support, de-embeded digital stereo audio to provide an analog output, or an audio return channel (ARC) for transmitting audio back to the HDMI input from the connected display.