Yes, I usually cover events where once I set up a tripod I can only control it through laptop so that I don't disturb the audience and a6400 does not have a audio out port to monitor the input audio however the HDMI signal does send a audio output which can be monitored using a video capture card and OBS.
Hey, So I was using my a6400 on pc remote mode and controlling it on a laptop via USB and remote application. when I tried connecting the HDMI to a Second laptop using HDMI capture card there was no HDMI output it was just black. However once I disconnect the USB the HDMI outputs the image normally but if u connect it to a laptop the HDMI output disappears again. Anyone who has tried this or has faced this issue?