咪芯型号/model：v-604b
净重/net weight: 20g
阻抗/ lmpedance: 600 ω (±30%)
指向性/polar pattem: hypercardioid/超心形
頻率响应/frequency: 60hz-13khz
灵敏度/sensitivity: -69db(±3db)(0db=1mv/paat 1khz)
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