H116K 30w waterproof long distance horn speaker This series speakers have aluminum horn bodies. They are cabinet and easy for intallation. Each of them has strong output,low input impedance and high effect.The transmitting range if far. Ideal for paging system.siren/alarm system, traffice and crowd control by police, indoor and outdoor application, publicty, vehicle installation,high noise areas. Specification Product name horn speaker Power 30W Impedance 8ohm Freq.Resp.…