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Type SD38150H21 Impedance (at 1KHz) 150O±20%
Sensitivity (318ear/60mv ) 97±3dB
Frequency Range 300-3400Hz
Axial Director (at 1KHz 0dB 1A/M) =-19dB
Radial Director (at 1KHz 0dB 1A/M) =-22dB
Please contact:chensucai1987@yahoo.cn
Website:www.elechs.com
We are acoustic components supplier in China.Our main products include receiver,transmitter,speaker,fire alarm bell,backup alarm,piezo siren,alarm transducer.
