Pro Lavalier Noise Cancelling Lapel Microphone (Black) For Shure Wireless Bodypack TransmitterIdeal replacement for original Lapel microphones, the "JK" headset offers a smooth frequency response with predictable performance. Compatible with Shure Body Pack Transmitter Models: L1, 11, LX1, SC1, U1, UC1, UT1, T1, ULX1, UR1, PGX wireless transmitters with mini XLR TA4F connector.This lapel microphone is specially designed for stages, outdoor activities where background noise will sometime cause a problem. This mic uses unidirectional cartridge. With its noise cancelling design, it will cut down on much of the background noise and result in a more accurate transcription. FEATURESMini XLR TA4F ConnectorProfessional vocal pickup condenser microphoneSweat and Dust-Proof Made Primarily for Indoor and Outdoor professionalsDesigned for Use on Stage, Houses of Worship, Lecturers and Other Applications Requiring Minimum Microphone Visibility with hand-free OperationSPECIFICATIONPolar pattem: UnidirectionalMic diameter: 6.5*5.0mmSensitivity: - 47db±2dbFrequency Range: 20-20KHZOutput Impedance: Standard Operation Voltage: 2.0V-10V.DCSNR: >58dbWire: 1.1m2pcs of windshieldsAlso available of ultra lightweight "PRO" headworn / lapel microphones with 3 pin Mini XLR TA3F connector, 3.5mm Screw Locking connector, and 4 pin Hirose Audio-Technica connector.