An HDMI splitter 1 in 4 out is a device that takes a single HDMI input (like from a Blu-ray player, gaming console, PC, or streaming box) and duplicates the signal to four HDMI outputs, allowing you to connect multiple displays at once.
Key Features
Input/Output: 1 HDMI input, 4 HDMI outputs.
Resolution Support: Many support up to 4K UHD (3840×2160) at 60Hz, HDR, and HDCP compliance.
Audio Support: Passes through digital audio formats like Dolby TrueHD, DTS-HD, and PCM.
Signal Amplification: Good splitters include built-in amplification to maintain signal quality across all outputs.
Compatibility: Works with TVs, monitors, projectors, and AV receivers.
Uses
Showing the same video on multiple TVs in a store or sports bar.
Connecting one source to multiple projectors in a presentation setup.
Splitting a gaming console output to multiple screens.
Home theater setups where you want the same content in different rooms.
Considerations
Same Signal: All four outputs show the same content; it doesn’t allow different content per screen.
Cable Length: Long HDMI cables may require a powered splitter to avoid signal loss.
HDCP Compliance: Ensure the splitter supports HDCP if you’re using streaming services or Blu-ray discs.