The NVS-EN20WS is an EN54-24 certified public address speaker for background music and paging in schools, offices, hotels, and airports. It features a two-way 4″ woofer and 1″ silk tweeter with selectable outputs of 20W, 10W, 5W, and 2.5W at 8Ω, ensuring clear audio performance. Built with a fire-resistant ABS enclosure, metal grille, Phoenix terminal, thermal fuse, and 95°C fire-rated cable, it provides safety and reliability, while the stainless-steel bracket enables fast, secure installation.