Car Stereo External Assembly Microphone for Kenwood Sony and all 3.5mm Input Car Radio Head Units Fitment : For Kenwood - KMR-M308BT, KMR-D562BT, KMR-D558BT, KMR-D362BT, KMM-BT312U, KMM-BT308U, KIV-BT901, KIV-BT900, KDC-X998, KDC-X997, KDC-X996, KDC-X995, KDC-X994, KDC-X898, KDC-X897, KDC-X896, KDC-X895, KDC-X798, KDC-X797, KDC-X796, KDC-X697, KDC-X696, KDC-X695, KDC-X599, KDC-X598, KDC-X597, KDC-MP362BT, KDC-BT958HD, KDC-BT955HD, KDC-BT952HD, KDC-BT948HD, KDC-BT855U, KDC-BT852HD, KDC-BT848U, KDC-BT762HD, KDC-BT758HD, KDC-BT752HD, KDC-BT742U, KDC-BT652U, KDC-BT648U, KDC-BT645U, KDC-BT562U, KDC-BT558U, KDC-BT555U, KDC-BT362U, KDC-BT358U, KDC-BT318U, KDC-BT310U, DNX9990HD, DNX9980HD, DNX9960, DNX9140, DNX8120, DNX771HD, DNX719VHD, DNX7190HD, DNX7180, DNX7160, DNX7140, DNX7020EX, DNX7000EX, DNX6990HD, DNX6980, DNX6960, DNX6190HD, DNX6180, DNX6160, DNX6140, DNX6040EX, DNX6020EX, DNX6000EX, DNX571EX, DNX570TR, DNX5180, DNX5060EX, DDX896, DDX8901HD, DDX814, DDX812, DDX790, DDX771, DDX7701HD, DDX770, DDX719, DDX714, DDX712, DDX616, DDX5901HD, DDX491HD, DDX471HD, DDX470, DDX419, DDX418, DDX372BT, DDX371, DDX370 For Sony: MEX- GS610BT, MEX-N5100BT, MEX-GS8100BH, MEX-N6000BT, MEX-M70BT, MEX-M50BT, XNV-660BT, XNV-770BT, XAV-72BT, XAV-712HD, XAV-70BT, XAV-701HD, XAV-68BT, XAV-62BT, XAV-622, XAV-602BT, XAV-64BT, XAV-601BT, WX-GT90BT, MEX-N5000BT, MEX-GS600BT, MEX-BT5000, MEX-BT5700U, MEX-BT4700U, MEX-BT4000P, MEX-BT4100P, MEX-BT39UW, MEX-BT3900U, MEX-BT3800U, MEX-BT38UW, MEX-BT3700U, MEX-BT3100P, MEX-BT31, MEX-BT3000P, MEX-BT2900 For Alpine: INA-W910, INE-NAV40, INE-S920HD, INE-W927HD, INE-W940, INE-W957HD, INE-Z928HD, IVE-W535HD, IVE-W555BT, UTE-42BT, UTE-52BT, CDE-W265BT Technical Details: Polar pattern: directional 3.5mm connector Sensitivity:-30dB+/-2dB Frequency Range: 50Hz-20KHz Output Impedance: 2.2 kΩ SNR: >58dB Standard Voltage: 4.5V Oper-ation Voltage: 1.0V-10V.DC