Many owners of Skoda Octavia face such a problem: a regular Stream box magnet is suddenly switched off, with loud clapping out of the speakers. To turn the magnet on again, it's the most common thing to shut down the engine, turn off the ignition, and then start the machine again.
In 2008, the company was withdrawing the Octavia's cars due to acoustic shock in the dynamics, the Stream's magnetoloists had been reeling. However, according to the owners ' feedback, this was not all and not always helpful.
The volume of cotton in the Octavia's speakers, after which the magnettol is simply turned off, is not a malfunction and has no negative consequences (except for the inconvenience directly from the loudspeaker).