https://www.casmarglobal.com/en/nb-50tn.html10897NB-50TNhttps://www.casmarglobal.com/media/catalog/product/N/B/NB_50TN_f6be.jpg72.73instock72.7372.7300000https://www.casmarglobal.com/media/catalog/product/N/B/NB_50TN_f6be.jpg/Fire/PA and Voice Evacuation Systems/Speakers/Fire/PA and Voice Evacuation Systems/Fire/Special fire protection/Public address and voice evacuation/Special fire protection/Public address and voice evacuation/EN54-24 certified loudspeakers/Special fire protection2023-02-07T00:40:58+0000