Our megaphones are less than half the weight of competitors and give 3 to 4 times the battery life! Piezo Dynamic Technology is a revolutionary technique that allows megaphones to operate more efficiently and with less weight than ever before. The technology utilizes full-sized diaphragms and ceramic wafers to create the full-frequency response and loudness of voice coil speakers, without the use of heavy, cumbersome magnets as in conventional megaphones, significantly reducing weight and current draw.



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