Don't support audio output. The HDMI to VGA cable only transfer the hdmi singnal to VGA displays, HDMI must be source and the VGA must be sink. Compliant with HDMI 1.3a,Support Video output in VGA:1920*1200-60Hz(Max). Connectting your new NoteBook, Laptop, HD DVD,HD DV without VGA interface to projector, Display, LCD, TV & Monitor in Old model with VGA interface only for big screen viewing. Plug-in-out, extral Power,Power from HDMI connectting device