固定频

es-凯发k8国际手机app下载

参数 / specification

灵敏度 / microphone sensitivy:	-72db
指向 / directivity:	uni-directional
频率响应 / frequency response:	100 to 10，000hz
输出阻抗 / output impedance:	600 ohm
电压 / operating voltage:	1.5v dc
有效距离 / efficient distance:	15 to 30m