How do I enable volume control for HDMI or DisplayPort audio Mac?
Click the SoundflowerBed icon in the menubar and select DisplayPort, Thunderbolt or HDMI as the output in the (2ch) list. Click the volume icon in the menu bar and choose Soundflower(2ch). You can also make this selection in the Sound System Preference pane. How do I enable HDMI volume on my Mac? If your HDMI device isn’t receiving audio Choose …