Public Address Speaker with 121 Ferrite Magnet is available with a copper or aluminium made voice coil of diameter 37 mm. The Public Address Speaker operates at frequency range of 3000 Hz to 8000 Hz to provide quality and clarity in sound. India Sound Corporation offers Public Address Speaker with 121 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 121 Ferrite Magnet of size 12" works at a Power RMS of 60 watts and has Music Power of 130 watts.