Shure QLXD4=-K51 Digital Wireless Receiver

64 MHz tuning bandwidth (region dependent) More than 60 preset compatible channels per frequency band (region dependent) Up to 17 compatible systems per 6 MHz TV channel; 22 systems per 8 MHz channel Digital predictive switching diversity ensures solid RF connection AES 256-bit encryption for secure wireless transmission Up to 60 dB of adjustable audio gain High-contrast LCD menu and controls with lockout feature Audio and RF LED meters with peak indicator Detachable ? wave antennas Mic / line switchable XLR output ?” Instrument output Durable aluminum construction with brushed finish