MPH31G Horn Loaded Sound Projector IP54 Low Z/100V 30W GreyThe MPH31 G is a horn loaded sound projector suited for low impedance and 100 volt installations. The most common used applications are noisy areas where you need the sound to be more directive. It is for sure the ideal solution for production halls, warehouses Be sure everyone heard your message loud and clear. The MPH31 G has been designed especially for outdoor background music, but is also applicable on any other location where you may want to