Etekcity 1x4 4 ports HDMI Powered Splitter Ver 1.4 for Full HD 1080P- Supports Ultra 4K and 2K HD Resolution, 1080p, 1080i, 720p Distributes 1 HDMI source to 4 HDMI Displays simultaneously Supports High Definition Resolutions:4K and 2K resolution support @ 24HZ, 1080p @ 60HZ, 720p/1080i @ 120Hz Supports cascade Supports all the mandatory and several optional 3D formats Supports Digital Audio Format, such as High Definition Audio support: Dolby TrueHD, and DTS-HD Master Audio