This is specifically for connecting a device with an HDMI connector to another device equipped with a Single Link DVI-D connector typically found on PCs projectors and older video equipment before the HDMI standard became widespreadThese cables can NOT carry audioThey carry video signals only! If you are looking for a High Speed HDMI Cable or a Standard HDMI Cable to connect equipment with HDMIFerrite Cores are small magnetic blocks wrapped around the end of a cableThis HDMI to DVI Adapter Cable is capable of video performance equivalent to a High Speed HDMI Cable.