Amplifier boosts the audio and video signals of your stereo or video player. Audio and video distribution technology lets you connect up to 4 screens or video monitors. Compact design is easy to mount in tight spaces. monitors 1 video input, 4 video outputs, 1 right audio input, 4 right audio outputs, 1 left audio input, and 4 left audio outputs Power LEDlights up when the unit is in operation Sheet metal enclosure