seityvity(1khz,0db=1v/pa) -4 6 ±3 db -44 ± 3db -42 ± 3db -40 ± 3db -38 ± 3db -36 ± 3db -34 ± 3db -32 ± 3db speccificatio lmpedance: less than 2.2k ω directivity: omnidire ctional frequency: 50-16,000hz standard operation voltage: 4.5v current coumption: max 0.5ma seitivity reduction: within 3db at2.0v s/n ratio: more than 58db 本产品的加工定制是是,品牌是仁福/rf,型号是rf-mp9745p,种类是传声器(咪头),类型是驻极体传声器,材质是铝壳,规格尺寸是9.7*4.5(mm),声道数是单声道,灵敏度是-58db,频率响应是50-16000hz,输出阻抗是2.2k
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