Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

DSP903 4.5 Inch Fireproof Ceiling Speaker with Transformer


● Built-in 100v/70v transformer
● In-ceiling type loudspeaker
● 4.5” paper cone driver unit
● Rated power output at 3W-6W
● High sensitivity(91±2dB)
● Made of high-class steel
● Leaded wire case for fireproofing
● Fast installation by spring clip

  • Introduction
  • Specification
  • Connection

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.

cheap ceiling speaker fireproof specification
DSP903 4.5 Inch Fireproof Ceiling Speaker with Transformer

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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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