The Shure BLX24R/SM58 provides industry standard vocal reproduction with a versatile microphone. The world renowned SM58 capsule ensures the precise and accurate capture of vocals with a warm and rich tone. The BLX2/SM58 transmitter features a lightweight design with rugged construction to stand up to the rigors of the stage. For a wireless system you can depend on for outstanding vocal tone and stage ready reliability the Shure BLX24RE/SM58 is the perfect choice. The BLX4R receiver has been designed for a quick setup with user friendly intuitive controls making operation easy. The One touch-QuickScan frequency selection system quickly locates the best open frequency to battle any potential interference and is compatible with up to 12 systems per frequency. Using the included rack mount kit the receiver can be professionally and easily installed for performance purposes.