年表作成・共有サービス - pastport

https://www.dsppatech.com/product/pa-speakers/ceiling-speaker

DSPPA has the most comprehensive ceiling speaker production line with Surface Mount Ceiling Speaker, flush mount ceiling speakers, Low Impedance Ceiling Speaker (4-16Ω, Resistance Fixed), High Impedance Ceiling Speaker (70V/100V, Voltage Fixed), Passive Ceiling Speaker and Active Ceiling Speaker. There are ceiling speakers without fire dome and with fire dome, and some ceiling speakers with fire dome are designed according to EN54-24 requirements. They have driver units of different size: 3”, 4.5”, 5”, 6.5” and 8”. Some coaxial ceiling speakers are also equipped with high pitch driver units of 1”.

Guangzhou dsppa audio co ltd is a professional audio manufacturer since1988. we provide audio public address system, flush mount ceiling speakers, etc. For more information please feel free to contact us!