The LBC 3099 / 41 is a ceiling mounted speaker for

 applications requiring high power, such as rooms with high ceilings. It can provide a high sound pressure level and a wide frequency range, so as to ensure excellent speech clarity and high-quality music reproduction performance. It can be used in many applications, such as stores, multi-storey department stores, schools, offices, sports grounds, hotels and restaurants. Basic function LBC 3099 / 41 adopts integrated 24 w dual cone loudspeaker. A 100 V matching transformer is installed on the back. The front part is equipped with beautiful metal mask and plain white (RAL 9010) coating. Voice alarm loudspeakers are specially designed and can be used in buildings where the performance of dialog evacuation broadcast system has many strict requirements. LBC 3099 / 41 is designed for voice alarm system and meets emergency standards. The speaker has built-in protection function. This can ensure that the protection of the circuit will not cause damage in case of a fire. In this way, the integrity of the system is maintained, thus ensuring that speakers in other locations can still communicate information to people in a timely manner. The loudspeaker is equipped with a ceramic junction box, a temperature fuse and a heat-resistant high-temperature conductor. In addition, it can be equipped with optional LBC 3082 / 00 fire shield to enhance the protection of cable terminals. Certificate and accreditation all Bosch loudspeakers meet IEC 268-5 power handling capacity (PHC) standard and can operate continuously for 100 hours at rated power. In addition, Bosch has conducted simulated acoustic feedback exposure (SAFE) tests to ensure that they can withstand twice the rated power in a short period of time. This ensures high reliability of loudspeakers in extreme conditions, improves customer satisfaction, extends service life, and significantly reduces the probability of failure or performance degradation. Safety in accordance with en 60065, emergency in accordance with BS 5839 ￣ 8 / en 60849, collision avoidance in accordance with DIN VDE 0710 Part 13 regional certification European CE

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