100W Driver Unit with Neodymium Magnet for Siren

100W Driver Unit with Neodymium Magnet for Siren Loudspeaker Rare earth permanent magnet neodymium alloy is a very good material for Horn Speakers. The permanent magnet generates a magnetic field in the annular air gap of the magnetic circuit through the yoke, and the voice coil connected with the speaker cone is inserted into the annular air gap. The permanent magnets are surrounded by an external yoke iron, thus avoiding the interference of external stray magnetic fields. In turn, it can...