咪芯型号/model:bt58
净重/net weight: 37g
阻抗/ lmpedance: 600 ω ±30%(at 1khz)
指向性/polar pattem: cardioid/心形
頻率响应/frequency: 70hz-13khz
灵敏度/sensitivity:-49db(±3db)(1db=1v/pa)
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