MX391W-A/S Microflex Supercardioid Boundary Microphone XLR WhiteEquipped with features like programmable, silent membrane switches, logic inputs and outputs, Microflex Boundary Microphones are the high quality solution for a range of applications such as altars, boardrooms and distance learning centres. Every Microflex Boundary microphone features a choice of interchangeable condenser cartridges. Includes attached 4 metre (12 ft) cable terminated with a 4 pin mini connector and separate preamplifier. A rubber