喊話器可說是最小型的公共廣播系統，您可以隨身攜帶並即時提高音量。雖然這是其最基本的功能，但 TOA 喊話器更進一步，具備內建音效，甚至可用無線麥克風。此外，它還提供多種安裝選項，讓您可以隨意將喊話器放置在地面上或安裝在支架上。
TOA offers an extensive range of portable power megaphones that provide optimal reinforcement for various applications in different environments such as schools, governmentt organization facilities, factories and man others.
Featuring compact and stylish designs with powerful outputs, TOA megaphone include splash-resistant types as well as high-performance shoulder types that provide a separate auxiliary input and even wireless microphone capability. Other features such as siren and whistle are available on some models.
