咪芯型号/model：x-630
净重/net weight: 31g
阻抗/ lmpedance: 400 ω ±30%（at 1khz）
指向性/polar pattem: cardioid
頻率响应/frequency: 80hz-11khz
灵敏度/sensitivity:-50db(±3db)(0db=1v/pa)
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