Leading Manufacturer for PA/VA System

www.dsppatech.com

E-mail: info@dsppa.com

Search

Fire Ceiling Speaker

DSP903 4.5’’ 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

Send Inquiry Chat Now

Features

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

Description

The DSP903 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 (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.

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


Specification

MODEL

DSP903

FULL-RANGE

4.5" X 1

RATED POWER

3W

MAX POWER

6W

LINE INPUT

70/100V

SENSITIVITY(1M,1W)

91dB

MAX SPL(1M)

97dB

FREQ. RESPONSE

250-16,000Hz

CUTOUT SIZE

Ø155 -Ø158mm

DEMENSIONS(H x W x L)

110 x Ø174mm

WEIGHT

1.2kg


TIM截图20180426092748.jpg

Installation

1.Cut a Ø155mm - Ø158mm installation hole on ceiling as shown above;

2.Connect the audio broadcasting wire to the terminals according to the table below;

TerminalsPower

Line Votage

70V

100V

Red--- White

1.5W

3 W

Red--- Blue

3 W

6 W

Red---Black

5 W

10 W (Notice)

Notice: Only when broadcasting wire is quite long and with high impedance .

3.Turn up the clamps of the speaker and insert them into the installation hole on ceiling

and then release them as shown below. Put on your gloves for safety is recommended.

image007.gif


4. Finally,examine whether it is steady

TIM截图20180426093313.jpg


Related Products