During a fire, the ceiling cavity in which loudspeakers are installed can allow flames to spread throughout a building. To prevent fire entering the cavity via the loudspeaker, the ceiling loudspeaker can be fitted with a steel fire dome. This optional fire dome is mounted on the loudspeaker assembly using four self-tapping screws supplied with the fire dome. The fire dome has knockout holes for two grommets (supplied) and two cable glands (PG 13).

This fire dome can only be used with the LBC 3099/41
Ceiling Loudspeaker.