Shure BLX BLX14R/MX53 - Microphone system

What's Included: Shure BLX Wireless System BLX14R/MX53 Power adapter, 2 AA batteries, rack-mount receiver unit, rack mounting kit, bodypack transmitter, zipper bag, 2x 1/4 wave antennaYou may also like Shure Wireless Dual Vocal System with two SM58 - 542 MHz to 572 MHz Operating Frequency - 50 Hz to 15 kHz Frequency Response - 299.87 ft Operating Range.