HDMI Seamless Multi-Viewer Switch 2PET0401QMS HDMI 4×1 Quad Multi-viewer with Seamless Switcher Support 4K@60Hz and RS232 control 4PET0401QMS-C HDMI™ 4×1 Multi-Viewer with Seamless Switch Function, Audio Extractor (SPDIF/Stereo), Remote Control Function, 4K@30Hz and RS232 Control PET0401QMS-C HDMI™ 4×1 Quad Multi-viewer with Seamless Switcher Supports 1080p and RS-232 Control
