The OREI HDX-104 1x4 is a premium Ultra Slim HDMI Splitter, it will take any HDMI signal and duplicate the signal, sending the same high definition signal to 4 displays simultaneously. The HDS-104 supports Ultra HD 4K/2K resolutions and all 3D resolutions. Product Features: - Excellent Quality - The heavy-duty cool metal enclosure protects the insides and keeps the unit cool by aiding in quick heat absorption and dissipation. - 4 x HDMI Outputs supporting up to v1.4a - 1 x HDMI Input supporting up to v1.4a and 1440p - Supported Audio: LPCM,Dolby-AC3, DTS7.1, DSD/Dolby TrueHD/DTS-HD master audio - Essentially all available audio options are supported - Video Format: Deep Color 480i/ 576i/ 480p/ 576p/ 720p/ 1080i/ 1080P/ 1440i/ 1440p - EIDI Duration: 6 seconds Specification: - Product Type: HDMI 1x4 Splitter - Interface Type: 1 HDMI in, 4 HDMI out - Power Supply: DC 5V (included).