Overview

CU-20 series models are column speakers achieving the reasonable price while maintaining the performance for announcement and emergency broadcasting. They are speakers with solid designs using simple and clean aluminum bodies. They also provide indoor and outdoor types in order to use them at various places such as shopping mall, school, parking lot, hotel, convention center, station, and airport.

Feature

◆ Use 4” full-range of unit having excellent sound quality/articulation/durability
◆ Outdoor type, 100V/70V line of high impedance model
◆ Use solid aluminum body and flame retarding grill
◆ Use titanium color which does not damage the landscape of outdoor facility and prevents the discoloration even 
   for long time use with clean & simple design
◆ Excellent waterproof, moistureproof, and dustproof (IP34)
◆ Have 3 types of models which you can select the optimal power among 10W/20W/40W depending on the use
◆ Show the maximum feature of exclusive speaker unit with the use of high-performance matching transformer 
   produced by Inter-M
◆ Easy input power selection through wiring
◆ Provide exclusive knuckle bracket which enables the angle adjustment 30 degree downward and each 90 degree 
   toward right and left

Specification

Model

CU-21FO

CU-22FO

CU-24FO

Type

Single 4" Full-range Column Speaker

Dual 4" Full-range Column Speaker

Quad 4" Full-range Column Speaker

Driver

4"  x 1

4" x 2

4" x 4

Power Handling(AES)

10W

20W

40W

Input Power

100V

10/7.5/5/2.5W

20/15/10/5W

40/30/20/10W

100V

10/7.5/5/2.5W

20/15/10/5W

40/30/20/10W

Impedance

100V

1k/1.3k/2k/4kΩ

500/660/1k/2kΩ

250/330/500/1kΩ

100V

500/660/1k/2kΩ

250/330/500/1kΩ

125/160/250/500Ω

Power Selection

By Wiring

Frequency Range(-10dB)

127Hz ~ 20kHz

137Hz ~ 20kHz

128Hz ~ 20kHz

Frequency Range(-20%)

100Hz ~ 20kHz

108Hz ~ 20kHz

94Hz ~ 20kHz

Sensitivity(1W/1m, 1kHz)

87dB

90dB

91dB

Maximum SPL[Cont]

97dB

103dB

107dB

Nominal Dispersion(HxV)

1kHz

205˚ x 154˚

220˚ x 120˚

208˚ x 60˚

4kHz

122˚ x 141˚

103˚ x 33˚

106˚ x 16˚

Input Connection

Bi-Wired INPUT Line Direct Connection

Enclosure Material

Body : AL/Top, Bottom : Composite PP(GP-3152F), INSERT NUT

Enclosure Color

Body : Light Brown/Top, Bottom : Black

Grille Material

EGI 0.8T

Grille Color

Light Brown

Weight(Net)

1.8kg

3kg

4.65kg

Dimensions(Net, WxHxD, mm)

135 x 280 x 109

135 x 390 x 109

135 x 610 x 109

Weather Resistant

IP34

Flame Resistant

O

O

O

Included Accessories

U Bracket

201207

Contact Us

If you have questions,
please contact us via E-mail.

E-mail : overseas@inter-m.com

CONTACTS

Inter-M International (Korea HQ)

TEL: (82) 2 2289 8145

FAX: (82) 2 2289 8149

Email: overseas@inter-m.com

Inter-M Americas (USA, Canada and Latin America)

TEL: (714) 828 2200

FAX: (714) 828 2210

Email: info@inter-m.net

A leading Korean based manufacturer of audio, video, communications, and information technology products

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