Why can't I adjust the volume to the maximum level? Category : Setup / Operation If the volume level still remains the same or a warning message pops up after you press the " " button to adjust the volume, please ensure that the [Volume limit] setting is disabled. Route: SETTINGS > Volume Limit > off Is the answer helpful? Related How can I listen to the source audio while line-in recording? What should I do if my MP3 media player is not responding even if I press any button or have it charged? Why are the files in my MP3 not organized in alphabetical order? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started