Changzhou Duoxing Electronics Co,.Ltd
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1 SOUND PRESSURE LEVEL
84±3dB SPL（Average at 800Hz,1000Hz,1200Hz,1500Hz）
Measuring condition: 0.1W (Sine wave) 1m measured with baffler shown in Fig.1.
（SPL (min) ≥ 85DBA – from 1 meter）
2 IMPEDANCE: 4±20%Ω(@2KHz 1V) without baffler.
RATED POWER: 2.0W（White Noise for 48hours）.
MAX POWER:3.0W.
3 RESONANCE FREQUENCY (F0): 550±20%Hz @ 1V. 4SOUND POWER: 2.0W (F0~6KHz) must be normal with sine wave (2.8Vrms).
