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.
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 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.
DSPPA Conference Audio SystemMarch 29, 2019Conference audio system refers to a group of people, through transmission lines and multimedia equipment, voice information will be transmitted to each other, to achieve real-time and interactive comm...view
DSPPA at intelligent education exhibitionDecember 21, 2016DSPPA attended the 70th China Educational Equipment Industry Exhibition from 8 to 10 May, 2016 in Shenyang Exhibition Center. A lot of visitors came to here to experience the intelligent educational p...view
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