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.
DSP6011EN 6.5 Inch Fireproof Frameless Ceiling SpeakerNovember 16, 2018view
DSP602EN 6.5 Inch Fireproof Ceiling SpeakerMarch 21, 2017The ceiling speaker DSP602EN adopts the fashionable thin-edge plane big cylinder and the carbon alloy aluminum mesh design with the RAL white coating so as to integrate with any indoor place perfectly...view
DSP922S 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.
Knowledge Points to be Considered in the Design of Public Broadcasting SystemJuly 25, 2019Transmission modeThe output power of the system is fed by cable broadcasting. Requirements for line attenuation: In public broadcasting systems, line attenuation from the output of public address ampl...view
DSPPA | Holiday Notice of Mid-Autumn FestivalSeptember 9, 2022Abstract: May your life be as perfect as the roundest moon in the Mid-Autumn Festival.view
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