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

DSP503 4.5 Inch 1.5W-10W Steel Ceiling Speaker


● Built-in 100v/70v transformer
● Ceiling type loudspeaker
● 4.5” paper cone driver unit
● Rated power output at 1.5W-6W
● High sensitivity(91±2dB)
● Made of high-class steel
● Fast installation by spring clip

  • Introduction
  • Specification

The DSP503 is a ceiling speaker with 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 (60-20,000Hz), 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 quality engineering plastic, with long-term durability, and will never be out of shape or fading; Spring clip clamp ensures the easy and secure installation; waterproof, long life, with clear and sonorous sound.

It is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.




4.5” X 1

Rated Power


Max Power


Line Input




Max SPL(1M)


Freq. Response


Cutout Size

Ø154 - Ø162mm

Dimensions (H x W x L)

80 x Ø175mm



Relate Products

  • DSP918  60W 70V/100V 4-16Ω Crossover Bass & Treble Ceiling SpeakerDSP918 60W 70V/100V 4-16Ω Crossover Bass & Treble Ceiling SpeakerNovember 14, 2016Description:DSP918 is a ceiling speaker ( or two way ceiling speaker) which is suitable for different public address wires. It can be switched between the ohms terminal 4-16 Ω and the voltage termina...view
  • DSP8030 Coaxial In-ceiling Speaker with 8 Inch DriverDSP8030 Coaxial In-ceiling Speaker with 8 Inch DriverMarch 11, 2020This product is a coaxial two-way ceiling speaker, with a wide diffusion angle, large output power, easy installation, and super-strong reproduction of voice and music. It is an ideal choice for you t...view
  • DSP915 5W-20W ABS Ceiling SpeakerDSP915 5W-20W ABS Ceiling SpeakerNovember 14, 2016Description:The DSP915 is a ceiling speaker, also known as a 2 way ceiling speaker, it can be switched between the voltage terminal and the ohms terminal. The 70v/100v transmission is realized in a hi...view
Leave a Message Email Us

we will contact you within 24 hours.

Related News
  • Tel:+86 020 37166520
  • Address:Jianggao Town, Baiyun District, Guangzhou, China