型号MD-209阻抗32( )类型头戴式喇叭直径40( mm)插头3.5( mm)品牌EXCEL频响范围20-22K(Hz)Specifications:FrequencyResponse:20~22,000HzImpedance:-Headphone:32Ohms 15%-Mic:1.5KOhmsSensitivity(S.P.L):-Headphone:105dB 2dB(at1KHz)-Mic:-58dB 2dBMaximumPowerInput:100mWSpeakerDriverDiameter: 40mmPlug: 3.5mmCableLength:2m