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

  • DSP5012C 35W 8 Inch Coaxial Frameless Ceiling SpeakerDSP5012C 35W 8 Inch Coaxial Frameless Ceiling SpeakerMarch 21, 2017This product is a coaxial two-frequency ceiling speakers. With wide angleand high output power, it can output good sound effect. Besides, it's easy toinstall. It's an ideal choice for you .view
  • DSP6030 30W 6.5” Coaxial Ceiling SpeakerDSP6030 30W 6.5” Coaxial Ceiling SpeakerOctober 13, 2023The DSP6030 is a high-quality coaxial ceiling speaker designed for easy installation and excellent sound performance. With its compact size and sleek design, it is perfect for a variety of application...view
  • DSP916  Bass & Treble Ceiling SpeakerDSP916 Bass & Treble Ceiling SpeakerNovember 14, 2016DSP916 is a ceiling speaker (or two way ceiling speaker) which is suitable for different public address applications. It can be switched between the ohms terminal 8Ω and the voltage terminal 70/100V....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