High performances Quad 4x1 1080p HDMI Multi-Viewer and Switcher. This device has three viewing modes available: - Mode 1: Split screen. There are 4 possible ways of display the input signal: - + : the four signals are displayed on a 2x2 matrix - H : the four signals are display on a H setup, 1x2x1. HDMI 1 display from top to bottom using a third of the width, HDMI 2&3 are display using 1/3 of the with on top of each other and HDMI4 is displayed using the reminder 1/3 from top to bottom. - 1/2 split: HDMI 1&2 are displayed splitting the screen vertically - 3/4 split: HDMI 3&4 are displayed splitting the screen vertically - Mode 2: Switch. The device acts as simple switch. - Mode 3: PiP. One of the HDMI signals is displayed using most of the screen and the three others are displayed in a stack on the right side of the screen. Audio is outputted simultaneously on the HDMI and the audio output ports: Jack, Toslink, Coaxial. The device can be controller either from the front panel buttons or using the IR control. Features: - Compliant with HDCP 1.3 - Supports multiplexed HDMI 4-input and 1-output - Supports up to 1080p high definition resolution - Support 4 by 1 quad multi-viewer and seamless switch (with same resolution) - Support scaler up, scaler down function - Support multi output resolution - Support digital audio format LPCM/AC3/DTS - Support manual control and IR remote control - Support USB upgrade