Shure BLX14R/SM31 Rackmount Wireless Cardioid Fitness Headset Microphone Kit

Key Features For Fitness Instructors SM31FH Cardioid Fitness Headset Mic Moisture-Repellent Mic Construction Lightweight Bodypack Transmitter 123 Auto-Scan Frequencies Single-Channel Rackmount Receiver Automatic Frequency Selection Adjustable Output Level 14-Hr AA Batteries Expandable to 12 Mic Channels/300' Range The Shure BLX4R is a single-channel wireless receiver compatible with the BLX1 bodypack transmitter and BLX2 handheld transmitters. It features a rugged metal chassis and, using the included hardware, can be rackmounted with the two removable antennas positioned on the front of the rack—for optimal signal reception in A/V installations and sound-reinforcement applications. The BLX4R offers one-touch QuickScan frequency selection to quickly search 123 available frequencies and locate a clean RF channel in case of interference. It also employs microprocessor-controlled diversity technology to reduce dropouts. BLX systems allow up to 12 mic channels to o