Changzhou Duoxing Electronics Co,.Ltd
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1 SOUND PRESSURE LEVEL
85±3dB SPL（Average at 800Hz,1000Hz,1200Hz,1500Hz）
Measuring condition: 0.1W (Sine wave) 1m measured with baffler shown in Fig.1.
2 IMPEDANCE: 4±15%Ω(@2KHz 1V) without baffler.
3 RATED POWER: 1.0W（White Noise for 48hours）.
MAX POWER: 2.0W.
4 RESONANCE FREQUENCY (F0): 450±20%Hz @ 1V.
5 SOUND POWER: 1.0W (F0~4.5KHz) must be normal with sine wave (2.0Vrms).
