Aten VC-180. Aten VanCryst VGA to HDMI Converter with Audio. The VC180 is a VGA-to-HDMI Converter with Audio that lets you view VGA source data in an HDMI output display with stereo sound quality. It uses dual power sources from the VGA port or a power adapter. The VC180 gets its power supply from the VGA port. However if your source device is not capable of supplying power, use the power adapter to connect the VC180 to a power source. The VC180 is compact, flexible and convenient to install with no software required. Simply make the hardware connections and enjoy the experience.