date 08/05/2022

page 1 of 4

MODEL: CMS-40288N | DESCRIPTION: SPEAKER

cuidevices.com

FEATURES

• 85 dB SPL

• 550 Hz resonant frequency

• Nd-Fe-B magnet

SPECIFICATIONS

parameter

conditions/description

min

typ

max

units

input power

maximum power: IEC-60268-5, filter 60s on/120s off, 10

cycles at room temp

2.0

3.0

W

impedance

at 1.5 kHz

6.8

8

9.2

Ω

resonant frequency (Fo)

440

550

660

Hz

frequency response

output SPL -10 dB

Fo

20,000

Hz

sound pressure level

at 1 W, 0.3 m ave, at 0.8, 1.0, 1.2, 1.5 kHz

82

85

88

dB

distortion

at 2.0 kHz, 1 W

5

%

buzz, rattle, etc.

must be normal at sine wave between

Fo ~ 20,000 Hz

4.0

V

dimensions

40.0 x 28.2 x 11.8

mm

magnet

Nd-Fe-B

material

ABS

cone material

cloth

terminal

solder terminals

weight

12.6

g

operating temperature

-30

70

°C

storage temperature

-40

85

°C

RoHS

yes

Notes:

1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted.

SOLDERABILITY

parameter

conditions/description

min

typ

max

units

hand soldering

for maximum 3 seconds

370

380

390

°C

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