An hdmi splitter is something different it allows you to connect one device to multiple tvs but an hdmi switch will do what you need.
Roku stick hdmi splitter.
Hdmi splitter 1 in 2 out koopman 4k aluminum powered v1 4 hdmi splitter supports 4k 30hz full hd 1080p and 3d for xbox ps4 ps3 nintendo consoles fire stick roku apple tv blu ray player hdtv 4 3 out of 5 stars 44.
It is a splitter which takes one hdmi input from your roku in this case and splits it into two identical hdmi outputs which could be connected to.
I feel most comfortable with products that have at least 4 5 stars.
These are small boxes that connect to the hdmi port on your tv and allow you to connect multiple hd devices using hdmi cables and switch between those sources.
Roku stick 3600 ultra 4640 ultra 4670 premiere 3920 insignia 720p roku tv sharp 4k roku tv nvidia shield windows 10 pro x64 running serviio and plex on a wired gigabit network.
Hdmi splitter 1 in 2 out techole 4k aluminum ver1 4 hdcp powered hdmi splitter supports 3d 4k 30hz full hd1080p for xbox ps4 ps3 fire stick roku blu ray player apple tv hdtv 4 2 out of 5 stars 4 879.
Looking on amazon i see lots of 3 and 4 port hdmi splitters or switches but most have at most a 4 star rating.
Too bad i have 5 hdmi devices.
With thousands of available channels to choose from.
I have a tcl 1080p roku tv that has 3 hdmi ports.