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Linsys, a Russian developer and manufacturer of public address and public address systems, has introduced the SL-25 horn-type IP loudspeaker, equipped with a 25-watt speaker and having a protected outdoor design for stable operation from -55 to +55 °C
This IP horn loudspeaker is designed to be used as a sound source in fire alarm systems, alarm systems, and other types of public address systems, supports SIP telephony, etc., and is equipped with flash memory for playback of pre-recorded audio files. The speaker's IP speaker provides high-quality audio transmission and generates a maximum sound pressure of 123 dB, and the frequency range is between 200 and 8000 Hz.
Thanks to the UHL1 IP climate version, the SL-25 loudspeaker is suitable for year-round use outdoors or in unheated rooms. Its horn-type housing is protected according to the IP66 class and ensures the operation of the device in a 110-degree temperature range - from -55 to +55 ° C. The declared service life of the SL-25 is at least 12 years, and the proprietary warranty for the IP horn loudspeaker is 18 months. It is important to note that the novelty complies with the II class of electrical safety according to GOST IEC 62368-1-2014 and the requirements of the technical regulations TR CU 020/2011 "Electromagnetic compatibility of technical means" and TR CU 004/2011 "On the safety of low-voltage equipment", and does not require shutdown during maintenance.
With simultaneous support for SIP and local playback, the SL-25 can be used for a variety of applications. Firstly, this IP horn loudspeaker can be used to broadcast real-time audio from a voice data stream transmitted via an Ethernet interface via SIP/RTP protocols, e.g. from a Public Address System (PAS) dispatcher, over a civil defense and emergency signal. At the same time, the device provides for the playback of audio information pre-recorded in its own flash memory, according to commands received via the Ethernet interface, or signals sent to the control input when the "dry contact" sensor is closed.
The simplicity and variability of installation of the SL-25 is provided by the standard bracket, which provides for the IP speaker to be mounted both to the wall and to the ceiling, and allows you to choose the desired direction of sound propagation. To power the device, you can use a 48 V DC power supply or an Ethernet line using PoE technology (802.3at Class 4). At the same time, the IP horn loudspeaker is configured via a Web interface using an Internet browser without any specialized software and interacts with external IP systems through Ethernet interfaces 10BASE-T IEEE 802.3i and 100BASE-TX IEEE 802.3u. The SL-25 is equipped with two inputs for connecting sensors of the "dry contact" type and an output for controlling an optional "flash lamp". It is worth adding that due to the presence of the "969 certificate", the novelty can be used in Russian transport projects.
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