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LC2 PC60G6?10 is a 10-inch super sonic low pitched ceiling speaker designed to enhance the low frequency response of LC2 super acoustic full range smallpox speakers. It consists of a reflector assembly, a mask, a bottom box, a 10-inch coaxial long range low-frequency loudspeaker, and an internal output power matching transformer. The bottom box and loudspeaker provide optimized internal box volume, which can achieve stronger low frequency sound effect. The speaker USES a second-order frequency division network to provide the correct bandpass frequency response for use in conjunction with the LC2 super acoustical full range smallpox speaker. The basic function voice alarm loudspeaker voice alarm loudspeaker is specially designed to be used in buildings with many strict requirements on the performance of the voice evacuation broadcasting system. LC2 pc60g6-10 is designed for voice alarm system, and conforms to British BS 5839-8 standard and EN 60849 standard. Built-in protection function of protective loudspeaker. In case of fire, this protection function can ensure that the damage to the loudspeaker will not lead to the failure of the circuit connected to it. In this way, the integrity of the system is maintained to ensure that the loudspeakers in other areas can still communicate to people in a timely manner. It is marked with a bottom box to enhance the protection of cable terminals. The speaker is accompanied by a ceramic screw terminal junction box and a temperature fuse that meets the emergency criteria. All Bosch loudspeakers are certified to meet IEC 268-5 power amplifier (PHC) standards and can operate continuously for 100 hours at rated power. Bosch has also conducted simulated acoustic feedback exposure tests to ensure they can withstand twice the rated power in a short period of time. This ensures higher reliability in extreme conditions, improves customer satisfaction, extends service life, and significantly reduces the chance of failure or performance degradation. Safety in accordance with EN 60065 emergency BS 5839-8/EN 60849 regional certification Europe CE