GAI-Tronics Loudspeaker This is very unique and good quality product introduced by Gai-Tronics which is very helpful while communicating in industrial area at the time of emergencies, for example in case of fire explosion and blast, and it is highly resistant to chemicals and various temperatures, its water proof and not as much expensive as the loudspeakers are in the markets. Presenter Features: 12 W and 8 Ohm 90 Degree Moderate Distribution Angle Waterproof Highly Resistant to Substances & Corrosives Increased Intelligibility Durable, Glass-Reinforced Rayon, Black Incorporated Growing Gaps, Channel Items & Electrical Connections Undoable Back Enclosure