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LP1 UC10E?1 is a powerful 10 W strong directional speaker that provides high quality voice and music reproducibility in indoor and outdoor applications. The advanced design not only suits the environment of modern style, but also suits the environment of traditional style. This speaker is suitable for voice alarm system. The basic function absolute perfect sound quality high quality drive unit combined with advanced filtering function can produce extremely natural sound reproduction effect and excellent bass response. The voice alarm loudspeaker is specially designed to be used in buildings with many strict requirements on the performance of the voice broadcast system. LP1 UC10E?1 is designed for voice alarm system. This strongly directional speaker has been wired in advance and can be used in conjunction with an externally mounted optional line/speaker monitor board. The speaker has built-in protection. 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. The loudspeaker is equipped with a ceramic junction box, a temperature fuse and a heat-resistant high-temperature conductor. The strong pointing ABS speaker housing is made of white high strength flame retardant material (in line with UL 94 V0 standard). Certificate and approved quality guarantee that all Bosch speakers meet IEC 268-5 power amplifier capability (PHC) standard and can run 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, like all Bosch products, is carefully designed to ensure compliance with stringent safety standards. All ABS components meet UL 94 V 0 standard for flame retardant performance. This strong pointing speaker meets the safety and installation requirements of EN 60065 standard. Waterproof and dustproof comply with IEC 60529, and the IP 65 standard urgently comply with EN 54 24/BS 5839 8/EN 60849 regional certification European CE DOP