MCR 4EN metal ceiling loudspeaker EN54-24 standard
MCR 4EN is designed for use in voice evacuation and voice alarm applications for clear and intelligible speech transmission.
Loudspeakers > EN54-24 certified loudspeakers
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SP 10EN plastic sound projector EN54-24 standard
SP 10EN is a 10 W plastic enclosure sound projector designed for high-quality audio performance with 130° sound dispersion within 130 Hz – 15 kHz frequency response.