Share and switch four distinct hdmi audiovideo sources between four hdmi displays with optional picture and picture the vs424hdpip 4x4 hdmi matrix switch with picture and picture pap gives you the power to seamlessly combine and distribute four hdmi audiovideo sources across four different hdmi displays with the added ability to combine multiple images on the same display the split screen multiplexing switch combines the flexibility of a matrix switch with the scalability of a video w