Atlona Technologies AT-VGA14A Distribution Amplifier Constant Power On The AT-VGA14A is a solution for distributing a VGA signal to 4 separate displays. This VGA distribution amplifier has a feature no other does, backup power systems This is the perfect solution for displays that require to be on at all times Self powered (via VGA Cable), power supply is only required for 2k resolutions to be displayed through all 4 outputs