HDTV Supplys 4K WolfPack 4X2 HDMI Matrix Switcher with Audio Outputs supports an HDCP repeater function and all standard 4K/30, 2D and 3D TV formats in addition to all HDTV formats up to 1080p 12-bit Deep Color. Furthermore, the remote control allows you to easily control the selection of your desired source and also makes the device more user friendly. The 4K HDMI matrix 4x2 can connect 4 4K-HD signal sources to 2 4K-HD displays with optical fiber or stereo headphone output to an amp. The matrix allows four HDMI devices to be switched or split easily to two HDMI compatible monitors or projectors. And any output port can realize independent audio output by optical fiber or stereo head phone.