Cinema Speaker with 185 Ferrite Magnet is available in the size of 18" and has a Music Power of 400 watts. The Cinema Speaker comes with voice coil made of copper or aluminium with diameter of 65 mm. India Sound Corporation supplies Cinema Speaker with 185 Ferrite Magnet. India Sound Corporation offers a wide range of sound speakers for Public Address speakers, Cinema speakers, DJ System speakers, Car Speakers, Horn Tweeter Speakers and Domestic speakers. The Cinema Speaker with 185 Ferrite Magnet operates at a Frequency of 800Hz to 4000 Hz with Power RMS of 200 watts [LF].