The DSP903 is a ceiling speaker with fire dome and a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.
The built-in 4.5” speaker driver is designed of wide frequency response (250-16,000Hz), the multiple terminals 1.5W, 3W & 6W can be applied to different occasions vary in area sizes and background noises; It is made of high-class steel and fixed by stamping, which ensures long-term durability, and will never be out of shape; Equipped with leaded wire case which is hard to burn for fireproofing; Spring clip clamp makes the easy and secure installation possible; Driver surround excellent damping, long life, clear and sonorous sounds.
This fireproof ceiling speaker is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.
DSP904 6W-10W Fireproof Ceiling SpeakerNovember 15, 2016Description:The DSP904 is a ceiling speaker with fire dome and a 70v/100v transformer built in.. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance ...view
DSP922S 4.5 Inch Fireproof Ceiling Speaker with TransformerNovember 15, 2016The DSP922S is a ceiling speaker with a 70v/100v transformer built in, and also is a ceiling speaker with fire dome. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connectiviewDSP922S 4.5 Inch Fireproof Ceiling Speaker with TransformerNovember 14, 2016The DSP922S is a ceiling speaker with a 70v/100v transformer built in, and also is a ceiling speaker with fire dome. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connectiviewwe will contact you within 24 hours.
Configuration Solution of Public Address Amplifier and Speaker (III)March 29, 2019Secondly, the power allocation of the amplifier and the speaker is also related to the target loudness and the occasion used. Under a certain target loudness, the dynamic of the music signal should be...view
Exploring the Use of Active Wall Speakers in Educational InstitutionsJanuary 9, 2024Active wall speakers have become increasingly popular in educational institutions worldwide. These technologically advanced audio devices offer a range of benefits that enhance the teaching and learni...view
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