Hi Reima,
When I went for a test drive to test a USB flashdrive with some bass type music and my salesman put it to max volume JBL System no distortion was still very clear and no rattles from the speaker housings
When I went for a test drive to test a USB flashdrive with some bass type music and my salesman put it to max volume JBL System no distortion was still very clear and no rattles from the speaker housings