Projection loudspeaker with cylindrical plastic housing (ABS) and adjustable fixing bracket. Suitable for wall or ceiling mounting. High level of voice quality. Fitted with one fullrange loudspeaker, 100 V transformer, ceramic terminal and a thermal fuse. Conforms to both Dutch (NEN 2575) and British (BS 5839) regulations for alarm systems. Prepared to insert fire-proof cabling with a cable connexion.