Mirroring: Shows the exact same image on all four connected TVs or monitors (A-AAAA), not different content (A-ABCD).
Resolution: Most common models support 4K@30Hz, but some newer ones offer 4K@60Hz (often with 4:2:0 subsampling) or even 4K@120Hz.
Audio: Supports high-definition audio like Dolby TrueHD, DTS-HD, Dolby AC3, and DTS.
Power: Typically requires an external power adapter for stable performance, especially with 4K.
Compatibility: Works with computers, Blu-ray players, game consoles (PS4, Xbox), set-top boxes (Fire Stick, Roku), projectors, and HDTVs.
EDID Support: Some advanced splitters have EDID management to handle resolutions between 4K and 1080p displays.
