The PM4X4A 4x4 HDMI Matrix supports HDMI v1.4 3D video format, uncompressed resolution up to 1080p including multi-channel digital audio signal. Four inputs transmit high definition digital video and audio signals to four displays in selection among. It is compliant with Blu-ray, DVD players, media players and satellite set top boxes to any HDMI compatible display. Sources are accessible at all times to any display when operating with the IR remote and RS-232 remote control. 4 type Matrix Mode Dip switch which can adjust matrix split rule to support all kind of installation configurations for both commercial and residential application. The PM4X4A matrix switching allows maximum versatility for integrated systems.