No matter whether for professional surveillance systems, trade fairs and also in the living room: often need to be on a screen several input signals of different devices can be displayed at the same time. The SpeaKa Professional 4 Port HDMI Quad multi-viewer connect up to four input devices, such as a DVD player, Blu-ray player, game console, receiver, etc. to and transfer the input signals to a screen. Different video display modes for every applicationDisplay input 1 and 2 or 3 and 4 side-by-sideSimultaneous display of all four inputsSimultaneous H-formed display of all four inputsImage display 1 x large/3 x small in different configurations (picture-in-picture)- The full-frame representation of every inputSwitching Devices Made Easy This smart switch feeds signals from different HDMI inputs into a high-resolution HDMI screen or projector. Use the selector on the front panel or the included remote control to switch between different HDMI devices.Built-in HDready/Full HD Scaler So tha