The BLX2 Handheld Transmitter with SM58 Microphone from Shure is tuned to Shure's H9 frequency band between (518-542 MHz) and provides a 300' line of sight operating range. It is powered by two included AA batteries for up to 14 hours. It is compatible with Shure BLX wireless systems set to the same frequency band. A padded zipper case and microphone clip are included.
Freq (518-542 MHz)