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
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...viewDSP922S 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.
What Are the Functions of PA Amplifier?May 25, 2023The Role of PA Amplifiers in Audio SystemsA PA amplifier, or public address amplifier, is a crucial component of any sound reinforcement system. Its primary function is to take the low-level audio sig...view
Central Background Music: Layout of the Central Music System for HomeMarch 14, 2025The music experience of modern families has long surpassed the traditional single audio playback, and the central music system for home has become an important part of smart homes. With the profession...view
EN
ar
bn
fr
ms
de
th
id
hi
pt
ru
es
