SLXD2/B87A=-G58,Amazon.com: Shure BETA 87A Studio Grade Vocal Microphone with Built-in Pop Filter - Single Element Supercardioid Condenser Mic with A25D Mic Clip and Storage Bag, Ideal for Studio Recording and Live Performances :,Shure SLXD2/B87A Handheld Wireless Microphone Transmitter - Sound Productions,SLXD24/B87A-G58,Shure Beta 87A Condenser Vocal Microphone STAGE PAK