Shure BLX288/Beta58 Combo Q25, Beta Vocal Series, Dual UHF Wireless-System with 2x Beta58 handheld transmitter, up to 6 Systems parallel, Pilottone, antenna-Diversity, Quick-Scan to find free frequencies, dynamic Beta58 capsule, 50 - 16.000 Hz, cardioid, receiver with plastic housing, internal antennas, XLR- and Jack outputs, Audio Status-LEDs, frequencyrange Q25 742 - 766 MHz