Shure BLX24R/Beta58 K14, UHF wireless system, Beta vocal series, Beta58 handheld transmitter, Up to 6 systems simultaneously, Pilot tone, Microprocessor driven antenna-diversity, Quick-scan function for free frequencies detection, Dynamic Beta58 microphone capsule, Frequency range: 50 - 16,000 Hz, Characteristics: Super-cardioid, 9.5"" 1 U metal receiver, Detachable BNC antennas, XLR- and jack outputs, LCD with HF and audio display, Frequency: K14 (614-638 MHz), Including rack mounting kit