Usually 3-5 Days. 45 Day Lowest Price - 100% Satisfaction Guarantee. With The Nady wireless ear monitor systems offer performers a customized listening environment with great sound anywhere in a venue, more focused audio than floor monitors, and the ability to move about with total freedom without affecting monitor audio. Each system includes a transmitter and any number (as required) of receivers, each with individual volume adjust. Operating range is typically up to more than 250 feet.