Amazon.com: Shure BLX4 Single Channel Wireless Receiver with Frequency QuickScan, Audio Status Indicator LED, XLR and 1/4-inch Outputs - for use with BLX Wireless Systems (Transmitter Sold Separately) | H9 Band :
BLX4 - Wireless Receiver for BLX Wireless System - Shure USA
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Shure BLX4 Wireless Receiver with QuickScan, LED Indicator…
Amazon.com: Shure BLX4 Single Channel Wireless Receiver with Frequency QuickScan, Audio Status Indicator LED, XLR and 1/4-inch Outputs - for use with BLX Wireless Systems (Transmitter Sold Separately) | H9 Band :