4x2 HDMI Matrix with IP and RS232 Control by Sewell Transition between up to 4 HD video and audio sources on 2 displays Supports high definition resolutions up to 4Kx2K The 4x2 HDMI MatrixRS232 and IP Control can amplify your HDMI signal, ensuring that you dont lose any signal quality over long cable runs. EDID allows the 4x2 HDMI Matrix with RS232 and IP Control to increase its compatibility with your display. Included IR remote lets you control the 4x2 HDMI Matrix with RS232 and IP Control from the comfort of your couch.