Handheld wireless system from BLX series that combines professional-quality audio with simple setup, and contains single-channel receiver BLX4 and handheld transmitter BLX2/SM58. Single channel receiver with microprocessor-controlled internal antenna diversity features simple setup and intuitive controls. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference, while two-colour LED indicator shows audio status. Receiver is equipped with XLR and 1/4” output connectors. Handheld microphone transmitter features an integrated SM58 microphone cartridge and delivers audio with professional clarity and reliability. It provides lightweight, rugged construction, LED indicator and power on/off switch, -10 dB attenuation and offers up to 14 hours of continuous battery life with 2 AA batteries. Batteries, as well as power supply for the receiver, microphone clip and user guide are included. Frequency: 518-542 MHz