DSP217EN 24W EN54 Fireproof Wall Mount SpeakerMay 21, 2021On wall or shelf projector 100V speaker, 24W – 12W – 6W, power taps, EN54-24:2008 standard certified.Plastic body made in ABS V0 type, Protection grid in aluminium. Suitable for indoor and outdoor i...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.view
DSP3154EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016The DSP3154EN 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.
Technical Analysis of the Paperless Conference SystemNovember 9, 20211. Analysis of the status quo of the paperless conferenceWith a rapid development, the form of the paperless conference has gradually expanded from the original conference system used on PCs and table...view
The Advantages of Small Digital AmplifierAugust 6, 2018In the field of audio, people have been holding the position of class A amplifier. Class A power amplifier is considered to be the freshest and most transparent, with high fidelity. However, the low e...view
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