咪芯型号/model：v-2.9
净重/net weight: 32g
阻抗/ lmpedance: 600 ω ±30%（at 1khz）
指向性/polar pattem: hypercardioid/超心形
頻率响应/frequency: 70hz-12khz
灵敏度/sensitivity:-53db(±3db)(0db=1mvv/pa)
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