Adjust the volume in Apple Music on the web
In Apple Music on the web, click any option in the sidebar.
Play a song, album, or playlist in your music library by double-clicking it, or selecting it and clicking the Play button .
To control the volume, use the volume slider at the top of the Apple Music window (or adjust your system volume).
Tip: If you have Apple Music on your Mac or device or iTunes on your PC, click the link in the bottom-left corner to open the full app to complete other tasks.