Download the video. A live demonstration from today’s S’update. Transcript) Clean audio = clean USB power You can connect the headphone out of a Blue Yeti microphone into the mic in of a Sony a6400 camera but the quality of the audio you get will depend on how clean the USB source powering your Blue Yeti is. In order to get analog audio into your camera from a Blue Yeti, you need to plug the Blue Yeti into a computer1 via USB and into your camera via an auxiliary cable.