A splitter allows a single peripheral to output to multiple displays.

The best modern TVs come with a few HDMI 2.1 and 2.0 ports to help you connect all your devices together, but if that's not enough, or you want greater control without reaching behind the TV, an HDMI ...

Your Roku can technically plug into any HDMI input, but the specific port, cable, and settings you choose can quietly cap your resolution, break HDR, or even trigger copy‑protection errors that leave ...