Shure BLX14R/MX53 Wireless Rack-mount Presenter System with MX153 Earset Microphone

Shure 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, it's the most accessible way to own the stage. Includes MX153 earset microphone, BLX1 bodypack transmitter, BLX4R rack mount receiver, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide.

Shure BLX14R/MX53 Wireless Rack-mount Presenter System with MX153 Earset Microphone Battery Chemistry: Alkaline Operating Range: 299.87 ft Signal to Noise Ratio (SNR): 60 dB Operating Range: 299.87 ft Signal to Noise Ratio (SNR): 60 dB Battery Run Time: 14 Hour Battery Run Time: 14 Hour Country of Origin: China Country of Origin: China Minimum Operating Frequency: 542 MHz