Multi-diaphragm Speaker 15x11x2.5mm 0.5 W 8 Ohm

1-1

Dimension

15×11×2.5t

1-2

Rated Input Power

0.5W

1-3

Max Input Power

1.0W

1-4

Rated Impedance

8±15% Ω /2.0KHz/2.0Vrms

1-5

Coil resistance

7.2±10% Ω

1-6

Resonance Frequency(f0)

700±20% Hz in free air at 1.0Vrms/10cm.

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Sound Pressure Level

88 ±3 dB SPL /2.0Vrms/10cm  at （ AVG 0.8,1.0,1.5 2.0）KHz  

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Frequency Range

f0HZ ~20KHz

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Polarity

When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphram shall move forward

1-10

OperationTest

Must be normal at sine wave and program source 0.5W.

1-11

Buzz,Rattle,etc.

Must be free audible noise (buzzes and rattles)( 200Hz ~ 2.0KHz frequency range ,input level up to 2.0Vrms,

1-12

Weight

1.5g

1-13

Appearance

Should not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc.