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This Bosch high-efficiency horn speaker provides extraordinary voice playback and sound transmission effects, and is suitable for various outdoor applications. They are ideal for applications such as stadiums, parks, exhibitions, factories and swimming pools. LBC 3484 / 00 is a circular 50 W horn speaker with a diameter of 490 mm (19.6 inches). They are made of aluminum. The edges are covered with PVC profiles to prevent horn speakers from being damaged by impact. The color of the loudspeaker is light gray (RAL 7035), with waterproof and dustproof functions. The voice alarm speaker LBC 3484 / 00 is designed for the voice alarm system and meets the emergency standard. Horn speaker has built-in protection function. In case of fire, this protection function can ensure that the damage to the loudspeaker will not cause the circuit connected to it to fail. In this way, the integrity of the system is maintained, so as to ensure that speakers in other areas can still convey information to people in time. Horn speakers are equipped with ceramic junction boxes, temperature fuses and heat-resistant high-temperature wires. Optional line / speaker monitoring board can be installed inside. The back cover of basic function horn speaker is made of ABS flame retardant material (in accordance with UL 94 V0 grade). Route the connecting cable through the cable sealing plug (PG 13.5) on the rear cover. For loop connection, the rear cover is also equipped with a second cable access hole (which is covered in standard equipment). These integrated horn speakers can also provide horn speaker shell and exciter separately, allowing users to install any combination of horn speaker shell and exciter at will. For type numbers, see ordering information. Certificate and recognition all Bosch speakers comply with IEC 268-5 power handling capacity (PHC) standard and can operate continuously for 100 hours at rated power. In addition, Bosch also conducted a simulated acoustic feedback exposure (SAFE) test to ensure that they can withstand twice the rated power in a short time. This ensures high reliability of speakers under extreme conditions, improves customer satisfaction, prolongs service life, and significantly reduces the probability of failure or performance degradation. Safety complies with en 60065 standard, waterproof and dustproof complies with IEC 60529 and IP 65 standard, emergency complies with BS 5839 ? 8 / en 60849 standard, windproof complies with Nen 6702: 2007 + A1: 2008, bft11 standard, regional certification, European CE installation / simple configuration power setting horn speaker is equipped with tee junction box with screw terminal (including grounding terminal). Three jumper connectors on the matching transformer are used to select the rated full power, half power or quarter power (in 3 dB increments).

Sales Tel. (wechat same No.): 13428785305 QQ: 2461903042