Review on Shure BLX4 Wireless Receiver with QuickScan, LED Indicator, XLR and 1/4" Outputs - Compatible with BLX Wireless Systems (Transmitter Sold Separately) by Bubba Ott

BUYERS PLEASE NOTE BEFORE ORDERING - Although your transmitter (from a wireless device or microphone) may be compatible with the BLX4 system, check the back panel using the model number, to determine if it is present is a frequency band H8 or H10. You must adapt them to the appropriate recipient, otherwise they will not work together. First check/fault found in buyer's error: This receiver never worked. I took it out on the road with my new mixer so I couldn't pinpoint the problem until I got home and did a full analysis of the problem. Now I have a dead [wrong] receiver, after 30 days I can't replace it with another one. Very disappointing. [My decision was to buy a new microphone for the receiver with the right bandwidth.