The VM7804 4-Port HDMI Input Board is offers an easy way to route any of 4 audio/video sources to any of 4 displays, in combination with an ATEN Modular Matrix Switch. HDMI (3D, Deep Color); HDCP 1.4 Compatible. EDID Expert – selects optimum EDID settings for smooth power-up and the highest quality display. Audio-enabled, HDMI audio can be extracted and stereo audio can be embedded. Hot-swappable design for easy integration of I/O boards.