VGA to HDMI Adapter, Built-in Audio, USB Powered, Support 1920x1080. If you're stuck with an old VGA-only video card but want to convert the signal with sound for viewing on an HDMI monitor or television, this Syba SY-ADA31025 adapter is for you. Supporting all of the primary resolutions available on most monitors and featuring support for sound output as well, this VGA to HDMI converter runs off USB power from your computer. Just plug in your HDMI cable and your images appear on your HDMI device. IO Crest VGA to HDMI Convertor with Audio support (SY-ADA31025).