Pro Lavalier Noise Cancelling Lapel Microphone (Black) For Shure Wireless Bodypack TransmitterIdeal replacement for original Lapel microphones、 the 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. FEATURESHigh quality back electret condenser capsule、 a good example of excellent vocal reproduction design.Special surface treatment process、 the texture is smooth、 abrasion resistantThe configuration cable. lightweight、 soft、 stretch-resistant、 has good shielding effect and balanced output function、 can effectively reduce the friction between the sound and outerwearSolid metal collar clip、 easy to use、 conventient and durable.SPECIFICATION Polar pattem:                    UnidirectionalCapsule :                          CondenserMic diameter:                    9.7*5.2mmSensitivity:                        - 47db¡À2dbFrequency Range:           20-20KHZOutput Impedance:           < 680 ohmsStandard Operation Voltage:     2.0V-10V.DCSNR:                                 > 58dbWire:                                1.2m1pcs of windshieldsOccasion host、 teaching、 presentation