Shure BLX14/W93 Wireless Lavalier Mic System (K14: 614-638MHz) Brass & Wind The SM81 is ruggedly constructed

The SM81 is ruggedly constructed

the MXR design team dusted off a rare vintage silicon circuit

Signal to noise Ratio: 74

The D Activator™ Bridge pickup is about 25% louder than the D Activator™ Neck

Clearly typeset in a logical and easy to read style

Shure BLX14/W93 Wireless Lavalier Mic System (K14: 614-638MHz) Brass & Wind The SM81 is ruggedly constructedShure BLX Wireless Systems combine professional quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision built and available in a variety of configurations, its the most accessible way to own the stage. System Includes: BLX1 Up to 14 hours of continuous use with 2 AA batteries. 300 ft (100 m) transmission radius. BLX4 Single channel wireless receiver with microprocessor controlled