Shure MX393/O Microflex Omnidirectional Boundary MicrophoneMX393 O Omnidirectional, Black MX393 Microflex Wired Boundary Microphones from Shure are equipped with features like programmable, silent membrane switches, logic inputs and outputs, and green LED indicators. The high quality solution for a range of applications such as altars, boardrooms and distance learning centers, Microflex Boundary microphones feature interchangeable condenser cartridges. The MX393 features: Surface mount mic; miniature three