LC1 modular ceiling speaker series is suitable for various

 ceiling installation environments. They can achieve excellent voice and music playback in indoor public broadcasting applications. The series offers five speakers with different input power, open angle and sound reproduction. It includes three 6 W monophonic loudspeakers (optional open angle) and two high-performance 12 W and 24 w coaxial speaker exciters. They all have the same size masks and can use the same mounting accessories. These loudspeakers are suitable for air handling applications when used in conjunction with LC1 ￣ MFD enclosures. An optional pilot tone indicator board or WLS board can be installed in the speaker frame, and an optical tube for indicating pilot tone status is provided as standard. The basic function voice alarm application voice alarm loudspeaker is specially designed and can be used in those buildings which have many strict requirements on the performance of voice evacuation broadcast system. LC1 modular ceiling speaker series is designed for voice alarm system, and it is certified by en 54 ￣ 24 and conforms to British BS 5839-8 standard. Protection these loudspeakers have built-in protection functions to ensure that in case of fire, damage to the loudspeakers will not cause the circuit connected to them to fail. 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. In addition, these loudspeakers can also be used with metal fire shields to enhance the protection of cable terminals. These loudspeakers are connected with a ceramic screw terminal box, a temperature fuse and a heat-resistant high-temperature conductor. 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. The flame retardancy of all plastic parts conforms to UL 94 V0 standard. Safety in accordance with en 60065 * emergency in accordance with BS 5839 ￣ 8 in accordance with en 54 ￣ 24 in accordance with en 60849 UL certification 1480 / 2043 bulletproof in accordance with DIN VDE 0710 Part 13 * * waterproof and dustproof in accordance with en 60529 IP21

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