External Microphone Assembly For Pioneer Car Radio Head Units With 2.5mm Input. Includes Microphone With 3M Cord, Visor Clip, Dash Mount & Foam Filter. 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) For: Pioneer: AVH-200BT, AVH-270BT, AVH4000NEX, AVH-P4400BH, AVH-P5200BT, AVH-P6300BT, AVH-P8400BH, AVH-X2500BT, AVH-X2600BT, AVH-X2700BS, AVH-X3500BHS AVH-X3600BHS, AVH-X3700BHS, AVH-X4500BT. AVH-X4600BT, AVH-X4700BT, AVH-X5500BHS, AVH-X5600BHS, AVH-X5700BHS, AVH-X7500BT, AVH-X7700BT, AVH-X8500BHS, AVIC-5000NEX, AVIC-6000NEX, AVIC-7000NEX, AVIC-8000NEX, AVIC-F10BT, AVIC-F500BT, AVIC-F7010BT, AVIC-F900BT, AVIC-F90BT, AVIC-HD3, AVIC-U310BT, AVIC-X710BT, AVIC-X7115BT, AVIC-X850BT, AVIC-X8510BT, AVIC-X8610BS, AVIC-X910BT, AVIC-X9115BT, AVIC-X920BT, AVIC-X930BT, AVIC-X9310BT, AVIC-X940BT, AVIC-X950BT, AVIC-Z1, AVIC-Z110BT, AVIC-Z120BT, AVIC-Z130BT, AVIC-Z150BH, AVIC-Z2, AVIC-Z3, DEH-4500BT, DEH-5400BT, DEH-6400BT, DEH-64BT, DEH-7300BT, DEH-73BT, DEH-80PRS, DEH-P6200BT, DEH-P7000BT, DEH-P700BT, DEH-P7900BT, DEH-P8400BH, DEH-P9400BH, DEH-X4600BT, DEH-X6500BT, DEH-X6600BT, DEH-X6700BT, DEH-X65BT, DEH-X66BT, DEH-X8500BH, DEH-X8500BS, DEH-X8600BH, 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-DA120, SPH-DA210 Plus Others. Frequency response: 50Hz-20KHz Impedance: 2.2K Ohm Mic Head Size: (Length * Wide * high) 4.2 X 2.5 X 1.7 cm (1.65 x 0.98 x 0.66 in) Sensitivity (high sensitivity):-20dB ± 2dB (0dB = 1uPa) Plug: 2.5mm Cable length: Approx 3 M (9.8 ft)