Changzhou Duoxing Electronics Co,.Ltd
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1 SOUND PRESSURE LEVEL
84±3dB SPL（Average at 800Hz,1000Hz,1500Hz, 2000Hz）
Measuring condition: 1W (Sine wave) 1m measured with baffler shown in Fig.1.
2 IMPEDANCE: 8±15%Ω(@1KHz 1V) without baffler.
3 RATED POWER: 0.5W（White Noise for 48hours）.
4MAX POWER: 1.0W.
5RESONANCE FREQUENCY (F0): 280±20%Hz @ 1V.
6 SOUND POWER: 0.5W (FO~6KHz) must be normal with sine wave (2.0Vrms).
