Monoprice Blackbird 4K Pro 3X1 Enhanced HDMI Switch with Built-in Equalizer & Remote Control Compliant with HDMI, CTS 1.4a, and DVI 1.0 standards This is a high performance HDMI switch with three inputs and one output. It supports HDCP repeater functions and fast switching between any of the HDMI input ports. Supports 3D and 4K video resolutions with up to 16-bits/channel Deep Color Supports the 7.1-channel Dolby TrueHD and DTS-HD Master Audio Low power consumption, does not require an external power supply