Porsche 911 ‘05 radio and speakers
I have the original radio and speakers on my 911. Sound will increase and decrease on its own and I can not control the volume on the knob. Speakers don’t sound great, but I don’t expect booming music either. Would like to at least hear decent sounding music when I drive. Before I take it the the stereo shop, any ideas what it can be? Should I replace the system?