seityvity(1khz,0db=1v/pa) -46±3db-44± 3 db -42 ± 3 db -40± 3 db-38± 3 db -36 ± 3 db -34± 3 db-32± 3 db 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 本产品的输出阻抗为2.2k，频率响应是50-16000hz，种类为传声器(咪头)，类型是驻极体传声器，型号为rf-mp6050p，规格尺寸是6.0*5.0（mm），声道数是全指向，灵敏度为-32db~-46db，电压是4.5