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 transmission and parallel connection of multiple loudspeakers possible.
The built-in 6.5'' speaker driver is designed of wide frequency response (200-14,000Hz), the multiple terminals 1.5W-10W 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.
Model | DSP904 | |
Speaker Unit | 6.5"×1 | |
Rated Power (RMS) | 6W | |
Rated Voltage | 70V | 1.5W/3W/6W |
100V | 3W/6W | |
Sensitivity (1m, 1W) | 92±2dB | |
MAX. SPL. (1m) | 100±2dB | |
Frequency Response | 200Hz-14kHz | |
Dimensions | Φ210×108mm | |
Weight | 1.6kg | |
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 connectiview
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 connectiview
DSP903 4.5 Inch Fireproof Ceiling Speaker with TransformerNovember 15, 2016Description: 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 ...viewwe will contact you within 24 hours.
Reliability of Ip Pa System (I)March 29, 2019Ip pa system has become the mainstream application scheme of the broadcasting system. However, the most worrying problem for users of ip pa system is the reliability of the system. The company's ip pa...view
Prolight + Sound 2017 ReviewApril 12, 2017We’re pleased to finish our latest audio & sound system exhibition " Prolight + Sound 2017",has been held successfully at Messe Frankfurt Exhibition from Tuesday 04th to Friday 07th, April. Here ...view