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Personne àcontacter Ms. Winy
Rm208 Jinzhen Commercial Building,No.171 Qianjin Road,Haizhu Distric, Guangzhou, Guangdong
Model SM***3A Frequency range *0Hz - *0kHz (**0dB) Frequency response *0Hz - *9kHz (±3dB) Directivity factor (Q) *0.0 Directivity index (DI) *0dB Biggest acoustic pressure level *@********************vision dot frequency **0Hz, [**0Hz] Sensitivity **4dB, 2.*3V