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 | |
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 ...view
DSP922 4.5 Inch Fireproof Ceiling Speaker with TransformerNovember 15, 2016The DSP922G 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 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.
The Introduction of Wall Mounted PA SystemAugust 6, 2018Wall mounted pa system belongs to a branch of amplifying sound system, and the amplifying sound system is also called professional acoustics system, which involves electric sound, construction sound, ...view
DSPPA | Unlock the Exciting Highlights of CPSE 2025 @ Booth 1C19October 16, 2025Abstract: Visit DSPPA at Booth 1C19 to get a first look at the exciting highlights in intelligent audio-visual and public safety!view