DSP3354EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016he on-wall loudspeaker DSP3354EN is specifically designed to meet the requirements of EN54-24 that is part of a series of norms concerning voice alarm evacuation in case of fire, so it also called as en54 ceiling speaker.view
DSP5311EN 6.5 Inch EN54 Fireproof Surface Mount Ceiling SpeakerNovember 6, 2020This product is an EN54 certified surface mount ceiling speaker with a 100V transformer. The built-in 6.5” speaker driver is designed with a wide frequency range of 200-16,000Hz, and several terminal...view
DSP3254EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016The DSP3254EN is a ceiling speaker designed for voice evacuation systems, so it also called as en54 ceiling speaker, which comply with EN54-24 requirements. It has a 100v transformer built in.viewwe will contact you within 24 hours.
How to Choose the Right Conference System?August 1, 2022Ⅰ. Classification of conference system:According to the function and composition mode, the general conference system can be divided into the following five types.1. Multi-microphone conference sound ...view
What is a Smart Home Background Music System?March 20, 2023What is a smart home background music system?The smart home background music system is a new type of home entertainment system that allows the music playing in a home to be controlled through a smartp...view
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