The NVS-11130050HS is a high fidelity, two-way, wall mounted Horn Speaker with built-in 70V/100V transformer. The transformer technique decreases line losses over longer distances and allows multiple horn loudspeakers to be connected in parallel. Streamline design, beautiful and durable with ABS which does not rust. It is an excellent solution for industrial and commercial applications in the outdoor area of train stations, shopping malls, parking lots, and factories that require background music and paging.