HDMI™ Seamless Multi-Viewer Matrix 2PET0402QMS HDMI™ 4×2 Quad Multi-Viewer with Seamless Matrix Switcher Supports 4K@60Hz and RS232 Control 4PET0404QMS HDMI™ 4×4 Matrix Support Quad Multi-Viewer with Seamless Switch Function, Audio Extractor (SPDIF/Stereo), Remote Control Fuction, 4K@30Hz and RS232 4PET0402QMS-R HDMI™ 4×2 Quad Multi-Viewer with Seamless Matrix Switcher Supports 4K@30Hz and RS-232 Control
