Zettaguard is known for its HDMI switches, but it also makes a variety of splitters including a 1 x 2 splitter, as well as a 1 x 4 splitter. The splitter can support images up to 4K x 2K at 30Hz ...

All of this also applies to HDMI adapters that can output dual-HDMI signals. Most adapters will not be able to handle the same bandwidth as a direct HDMI 2.1 or DisplayPort 1.4 connection.

HDMI splitters let you run video from one device, such as a cable box, Apple TV, or PS5, to multiple screens. We found the best on Amazon, including options from J-tech Digital, Zettaguard ...