The classic harmonica microphone from Shure.
The 520DX features a volume control knob at the base of the microphone that allows users to make adjustments to suit their needs during live performance. An attached cable with a standard 1/4-inch plug allows the microphone to be connected to a high-impedance device. Contoured to fit perfectly between harmonica and hands, it can also be used for distinct, lo-fi vocals. Volume control knob allows users to adjust the volume to fit each musical situation Rugged, dynamic cartridge with improved response High-impedance, omnidirectional Supplied with 1/4 inch connector