External Microphone Assembly For Car Radio Head Units With 3.5Mm Input. Includes Microphone With 3M Cord, Visor Clip, Dash Mount &Amp; Foam Filter. Technical Details: Polar Pattern: Omni Directional 3.5Mm Connector Sensitivity:-30Db+/-2Db Frequency Range: 50Hz-20Khz Output Impedance: ?2.2 K? Snr: ≫58Db Standard Operation Voltage: 4.5V Operation Voltage: 1.0V-10V.Dc Wire Length: 3 M (9.84Ft) 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 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 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,