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.
DSP662 1~6W Ceiling Speaker with Fire DomeNovember 15, 2016Description:DSP662 is a fireproof ceiling speaker with built-in 70v/100v transformer. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmissio...view
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 connectiviewwe will contact you within 24 hours.
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The Main Development Direction of Future Digital Conference SystemMay 13, 2022What are the main development directions of the future digital conference system? Follow us to find out.1. Application of streaming media technology in digital conference systemThe so-called streaming...view
DSPPA Network PA System Applied in Shenzhen Metro DepotNovember 29, 2016DSPPA IP network PA system applied in Shenzhen subway transportation system, covering the metro depot of line 9, line 11 and parking lot, which are going to be opened on June , November of the year 2...view
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