The Included 3.5mm to 2.5mm adapter takes the guess work out of the microphone you need. Install the microphone directly to your 3.5mm receiver or use the adapter to install in units with a 2.5mm MIC port. This aftermarket Microphone is compatible with Pioneer, Kenwood, Alpine, Sony, Panasonic, JVC, Jensen, and many others 2.5mm or 3.5mm MIC ported receivers. Adopting electret condenser omnidirectional microphone with high sensitivity, low impedance, anti-noise and anti jamming capabilities. Includes dash mount and visor clip. Wire length 3m (9 feet). Aftermarket Microphone for Car Radio Receiver Head Units With 2.5mm or 3.5mm MIC Ports. Includes 3.5mm Female to 2.5mm Male Adapter. Replacement for Most Kenwood Receivers, Including: 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-BT852HD, KDC-BT848U, KDC-BT358U, KDC-BT318U, KDC-BT310U, DNX9990HD, DNX9980HD, DNX9960, DNX9140, DNX8120, DNX771HD, etc. Compatible with Sony, Including: 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, etc. Compatible with 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 etc Compatible with Pioneer: AVH-1400NEX, MVH-1400NEX, AVH-W4500NEX, AVH-211EX, AVH-200BT, AVH-270BT, AVH-4000NEX, AVH-P4400BH, AVH-P5200BT, AVH-P6300BT, DEH-X8600BS, DEH-X8700BH, DEH-X8700BS, DEH-X9500BHS, DEH-X9600BHS, DXT-736BT, FH-P800BT, FH-X700BT, FH-X70BT, FH-X720BT, FH-X820BS, MVH-P8200BT, MVH-P8300BT, MVH-X360BT, MVH-X36BT, MVH-X370BT, MVH-X560BT, MVH-X570BT, MXT-X366BT, SPH-DA01, SPH-DA100, SPH-DA110, SPH-DA210. etc. Compatible with JVC: JVC KWV31BT JVC KWV41BT JVC KWV51BT JVC KWV620BT JVC KWV820BT and so on Technical Details: ※Polar pattern: Omni directional 2.5mm connector ※Sensitivity:-30dB+/-2dB Frequency Range: 50Hz-20KHz ※Output Impedance: ≤2.2 kΩ SNR: >58dB ※Standard Operation Voltage: 4.5V ※Operation Voltage: 1.0V-10V.DC ※Wire Length: 3 m (9.84ft) Package: Microphone cable with wind muff * 1 Dash Mount * 1 Visor Clip * 2 3.5mm female to 2.5mm male adapter * 1