DESC: NADY MONITOR SYSTEM HH Offers performers a customized listening environment Ability to move about with total freedom without affecting monitor audio Eight user-selectable frequencies prevents interference with existing wireless transmissions Operational range of up to 300' Up to three E03 systems on three different channels can be operated in the same location simultaneously Can provide a personal monitor mix with superior clarity at a lower decibel level than floor monitors Includes earbuds, one wireless transmitter, and one portable pocket-sized receiver