The NVS-EN20JS is an EN54-24 certified sound projector designed for public address (PA) systems, featuring an integrated transformer for seamless operation in 100V line systems. Engineered for outdoor applications, it delivers high-quality audio for both background music (BGM) and speech paging, ensuring excellent clarity and intelligibility. Its robust construction makes it ideal for installation in environments such as schools, offices, hotels, and airports, providing reliable performance for music distribution and public announcements.