Public Address Speaker with 185 Ferrite Magnet is available with a Music Power of 400 watts and has Voice Coil made of Copper or aluminium. The Public Address Speaker has a voice coil diameter of 65 mm. India Sound Corporation offers Public Address Speaker with 185 Ferrite Magnet. India Sound Corporation supplies a wide range of sound speakers for Public Address speakers, Cinema speakers, DJ System speakers, Car Speakers, Horn Tweeter Speakers and Domestic speakers. The Public Address Speaker with 185 Ferrite Magnet of model 18" provides a frequency of 800-4000 Hz.