Kenwoody Messages: 105 Registered: February 2013 Location: United States
Viscount
Magnets are used to create alternating current within the speaker. The positive ions in one magnet are attracted to the negative polarity in the other magnet and vice-versa. When the ions move back and forth between the magnets, it creates electricity. There's a HowStuffWorks on it that might explain it a little better than I can.