MX391, MX392 and MX393 Microflex® Wired Boundary Microphones from Shure are the smartest boundary microphones yet.  Equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, Microflex Boundary microphones are the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers. Every Microflex Boundary microphone features a choice of interchangeable condenser cartridges.

• Flat frequency response across the vocal range for uncolored sound
• Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
• Sleek, low-profile design for unobtrusive appearance
• Balanced, transformerless output for increased immunity to noise over long cable runs
• Programmable on/off switch and LED on/off indicator (MX392/MX393 models only)
• LED logic input and switch logic output terminals for remote control or use with automatic mixers (MX392 models only)